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  Home > Publications > Project Reports > Project Reports 1947-81

Project Reports 1947-81

If you would like a hard copy of any of the reports, there will be a charge for printing, binding, and shipping. Many reports are now available in PDF format and can be sent to you at no charge, with the exception of those marked NA, which are not available for public distribution. Contact safl@umn.edu to inquire.

Project Report No. 1 Fluid Flow Diversion. A Summary and Bibliography of Literature, by Alvin G. Anderson. 236 pages, 128 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1947. Limited number A:$12.00.

Project Report No. 2 Hydraulic Model Studies for Chippewa River Reservoir Dam, by Warren DeLapp. 36 pages, 19 illustrations. Prepared for Northern States Power Company, 1947.

Project Report No. 3 Investigation of Flow Through Standard and Experimental Grate Inlets for Street. Gutters, and Supplement 1, by Curtis L. Larson. 86 pages, 46 illustrations. Prepared for Minnesota Highway Department and U. S. Public Roads Administration, 1947. (Summarized in Bulletin No. 2.)

Project Report No. 4 Selected Translations, by Meir Pilch. 283 pages, 228 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948.

Project Report No. 5 The Nature of Flow in an Elbow, by Edward Silberman. 100 pages, 48 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1947.

Project Report No. 6 Hydraulics of Flow in Culverts, by Curtis L. Larson and Henry M. Morris. 162 pages, 18 illustrations. Prepared for Minnesota Highway Department and U.S. Public Roads Administration, 1948.

Project Report No. 7 Preliminary Flow Tests on a Model Culvert, by Henry M. Morris. 26 pages, 13 illustrations. Prepared for Minnesota Highway Department and U.S. Public Roads Administration, 1948.

Project Report No. 8 Fluid Flow Diversion by Guide Vanes in Miter Bends, by Edward Silberman. 186 pages, 109 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1949. OP.

Project Report No. 9 Hydraulic Model Studies for the Holcombe Dam, by Sigurd H. Anderson. 58 pages, 36 illustrations. Prepared for Northern States Power Company, 1948.

Project Report No. 10 Model Experiments for the Design of a Sixty-Inch Water Tunnel, Part I, Description of Apparatus and Test Procedures, by Harry D. Purdy. 48 pages, 21 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948. OP.

Project Report No. 11 Model Experiments for the Design of a Sixty-Inch Water Tunnel, Part II, Contraction Studies, by John F. Ripken and James S. Holdhusen. 22 pages, 9 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948. OP.

Project Report No. 12 Model Experiments for the Design of a Sixty-Inch Water Tunnel, Part III, Test Section and Cavitation Index Studies, by James S. Holdhusen. 24 pages, 9 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948. OP.

Project Report No. 13 Model Experiments for the Design off a Sixty-Inch Water Tunnel, Part IV, Diffuser Studies, by James S. Holdhusen. 17 pages, 3 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948. OP.

Project Report No. 14 Model Experiments for the Design of a Sixty-Inch Water Tunnel, Part V, Vaned Elbow Studies, by James S. Holdhusen and Owen P. Lamb. 80 pages, 44 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948.

Project Report No. 15 Model Experiments for the Design of a Sixty-Inch Water Tunnel, Part VI, Pump Studies, by James S. Holdhusen. 23 pages, 8 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1948.

Project Report No. 16 Investigation of Airfield Drainage, Arctic and Subarctic Regions, Part I, Field Reconnaissance and Analysis, by Loyal A. Johnson. 173 pages, 35 illustrations, 63 photographs. Sponsored by U.S. Army Engineer District, St. Paul and prepared for Office of the Chief of Engineers, Corps of Engineers, 1950.

Project Report No. 17 Investigation of Airfield Drainage, Arctic and Subarctic Regions, Part II, Translation of Selected Topics, by Meir Pilch. 148 pages, 96 illustrations. Prepared for U.S. Army Engineer District, St. Paul, 1949. A:$10.00.

Project Report No. 18 Investigation of Airfield Drainage, Arctic and Subarctic Regions. Supplement to Part I, Field Reconnaissance and Analysis, by Loyal A. Johnson. 57 pages, 9 drawings, 15 photographs. Prepared for U.S. Army Engineer District, St. Paul, 1950. A:$7.00.

Project Report No. 19 Air Entrainment in Flowing Water, A Summary and Bibliography of Literature, by Owen P. Lamb. 41 pages. Prepared for Office of Naval Research, Department of the Navy, 1949. NA.

Project Report No. 20 Hydrological Analysis and Design of Surface Drainage Facilities for Airfields in Arctic and Subarctic Regions, by Loyal A. Johnson. 31 pages, 10 illustrations. Prepared for U.S. Army Engineer District, St. Paul, 1951.

Project Report No. 21 Mississippi River Revetment Studies, by Lorenz G. Straub and Reuben M. Olson. 68 pages, 43 illustrations. Prepared for Mississippi River Commission and U. S. Waterways Experiment Station, 1951. A:$7.00.

Project Report No. 22 Model Studies for the Design of an Open- or Closed-Jet Water Tunnel, by James S. Holdhusen. 156 pages, 65 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1950. NA.

Project Report No. 23 * Hydraulic Model Studies for Whiting Field Naval Air Station, by Fred W. Blaisdell and Charles A. Donnelly. 50 pages, 51 illustrations. Sponsored by Agricultural Research Service, USDA, 1950. A:$5.00.

Project Report No. 24 * Hydraulic Model Studies for Whiting Field Naval Air Station, PartV, Studies of Open-Channel Junctions, by Charles E. Bowers. 61 pages, 36 illustrations. Sponsored by Agricultural Research Service, USDA, 1950. A:$5.00.

Project Report No. 25 Experimental Design Studies on Free-Jet: Water Tunnels, by Charles D. Christopherson. 49 pages, 24 illustrations, Prepared for Office of Naval Research, Department of the Navy. NA.

Project Report No. 26 The Compressive Strength of Permafrost and lee in Their Natural States, a revised translation by Meir Pilch. 45 pages, 13 illustrations. Sponsored by Corps of Engineers, U.S. Department of the Army, 1951. A:$5.00.

Project Report No. 27 The Effect of Tube Vibration on Flow Through Tubes, by Edward Silberman. 42 pages, 9 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1951. NA.

Project Report No. 28 Mississippi River Revetment Studies, Supplement I to Project Report No. 21, by Lorenz G. Straub and Reuben M. Olson. 21 pages, 14 illustrations. Prepared for Mississippi River Commission and U.S. Waterways Experiment Station, 1952. A:$5.00.

Project Report No. 29 Model Studies of a Water Tunnel with an Air Bubble Resorber, by Reuben M. Olson. 117 pages, 93 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1952. NA.

Project Report No. 30 Construction of Permafrost, a translation by Meir Pilch. 306 pages, 157 illustrations. Prepared for Corps of Engineers, U.S. Department of the Army, 1952. A: 20.00.

Project Report No. 31 Design and Operating Characteristics, of High-Lift Locks, a translation by Meir Pilch. 219 pages, 67 illustrations. Prepared for Chief of Engineers, U.S. Department of the Army, 1952.

Project Report No. 32 Model Studies of a Water Tunnel with an Air Bubble Resorber, Supplement l. to Project Report. No. 29 , by Reuben M. Olson. 33 pages, 15 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1952. NA.

Project Report No. 33 Hydraulic Model Studies of, St. Anthony Falls Spillway, by Sigurd H. Anderson. 18 pages, 9 illustrations. Prepared for Northern States Power Company, 1952. NA.

Project Report No. 34 An Experimental Channel for the Study of Air Entrainment in High-Velocity Flow, by Owen P. Lamb. 42 pages, 15 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1952. NA.

Project Report No. 35. Description of a Ten-Inch Free-Jet Water Tunnel, by Charles D. Christopherson. 47 pages, 29 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1953. NA.

Project Report No. 36. Secondary Flows in Guide Vane Bends with Some Notes on the Primary Two-Dimensional Flow, by Edward Silberman. 102 pages, 41 illustra¬tions. Prepared for Office of Naval Research, Department of the Navy, 1953. NA. (Published in Proceedings, Third Midwestern Conference on Fluid Mechanics, pp. 669-686, 1953.)

Project Report No. 37. Effect of Inlet Design on Capacity of Culverts on Steep Slopes, by Lorenz G. Straub, Alvin G. Anderson, and Charles E. Bowers. 78 pages, 19 illustrations. Prepared for Minnesota Department of Highways and U.S. Bureau of Public Roads, 1954. A:$7.00.

Project Report No. 38. Laboratory Surface Wave Equipment-A Summary of Literature, by James A. Ross and Charles E. Bowers. 121 .pages, 65 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1953. NA.

Project Report No. 39. Laboratory Wave-Generating Apparatus, a translation by Meir Pilch. 133 pages, 80 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1954. NA.

Project Report No. 40. A Survey of Measuring Instruments for Low-Velocity Winds, by John F. Ripken. 128 pages, 53 illustrations. Prepared for Department of the Army, Ordnance Corps, Ballistic Research Laboratories, Aberdeen Proving Ground, 1953. NA.

Project Report No. 41. Experimental and Analytical Studies of Dihedral Hydro¬foils, by E. Roy Tinney. 89 pages, 62 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1954. NA.

Project Report No. 42. Cavitation Testing in Water Tunnels, by Reuben M. Olson. 49 pages, 24 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1954. NA.

Project Report No. 43. Generation of Air-Water Mixtures in Closed Conduits by Aspiration, by Edward Silberman and James A. Ross. 69, pages, 23 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1954. NA.

Project Report No.* 44. Experimental Studies of Wave Filters and Absorbers, by John B. Herbich. 133 pages, 88 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1956. NA.

Project Report No. 45 A Slotted-Wall Test Section for a Water Tunnel, by Reuben M. Olson. 79 pages, 55 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1955. NA.

Project Report No. 46 Experimental Studies of Pneumatic and Hydraulic Break¬waters, by Joseph M. Wetzel. 56 pages, 31 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1955. NA.

Project Report No. 47 Steady-State Cavity Studies in a Free-Jet Water Tunnel, by Morris W. Self and John F. Ripken. 41 pages, 25 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1955. NA.

Project Report No. 48 The Distribution of Air in Self-Aerated Flow in a Smooth Open Channel, by Alvin G. Anderson. 59 pages, 28 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1955. (Available on microfilm from Library of Congress Photoduplication Service,)

Project Report No. 49 Research and Development Studies for a Low-Level Wind¬Measuring System, by John F. Ripken and John M. Killen." 83 pages, 37 illustrations. Prepared for U, S. Army Signal Corps Engineering Laboratories, 1.955. NA.

Project Report No. 50 Not published.

Project Report No. 51 Experimental Studies of Hydraulic Breakwaters, by John B. Herbich, Jergen Ziegler, and Charles E. Bowers. 103 pages, 61 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1956. NA.

Project Report No. 52 Experimental Studies of a Hydrofoil Designed for Supercavitation, by John F. Ripken. 44 pages, 24 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1956. NA.

Project Report No. 53 Not published.

Project Report No. 54 An Experimental Study of Wave Absorbers, by Charles E. Bowers and John B. Herbich. 37 pages, 15 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1957. NA.

Project Report No. 55 An Experimental Study of Wave Filters, by Charles E. Bowers and John B. Herbich. 74 pages, 27 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1957. NA.

Project Report No. 56 Research and Development Studies for a Low-Level Free¬Air Velocity Measuring System, by John F. Ripken and John M. Killen. 48 pages, 19 illustrations. Prepared for U.S. Army Signal Corps Engineering Laboratories, 1957. A:$5.00,

Project Report No. 57 Experimental Studies of Air Ventilation of Vertical, Semi-Submerged Bodies, by Joseph M. Wetzel, 78 pages, 31 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1957. NA.

Project Report No. 58 A Study of the Influence of Gas Nuclei on Cavitation Scale Effects in Water Tunnel Tests, by John F. Ripken and Reuben M. Olson. 51 pages,
15 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1958. NA.

Project Report No. 59 Experimental Studies of Supercavitating Flow About Simple Two-Dimensional Bodies in a Jet, by Edward Silberman. 37 pages, 11 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1958. NA. (See Tech. Paper 19-A.)

Project Report No. 60 . An Exploratory Investigation of Mobile Breakwaters, by Harold D. Frederiksen and Joseph M. Wetzel. 41 pages, 34 illustrations. Prepared for U.S. Naval Civil Engineering Laboratory, Department of the Navy, 1959. NA.

Project Report No. 61 . Tandem Interference Effects of Flat Noncavitating Hydrofoils, by J. M. Wetzel and W. H. C. Maxwell. 42 pages, 15 illustrations. Prepared for Bureau of Ships, Department of the Navy, 1962. NA.

Project Report No. 62. Evaluation Studies of the United States Rubber Company Wave Blanket and Wave Trap, by John F. Ripken. 77 pages, 24 illustrations. Prepared for U.S. Rubber Company Research Center, 1960. NA.

Project Report No. 63. Air-Water Mixture Flow Through Orifices, Bends, and Other Fittings in a Horizontal Pipe, by Edward Silberman. 58 pages, 13 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1960. NA.

Project Report No. 64. Lift and Drag on Surface-Piercing Dihedral Hydrofoils in Regular Waves, by Joseph M. Wetzel and Frank R. Schiebe. 40 pages, 15 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1960. NA.

Project Report No. 65. Interference Effects of a Strut on the Lift and Drag of a Hydrofoil, by John F. Ripken. 35 pages, 15 illustrations. Prepared for Bureau of Ships, Department of the Navy, 1961. NA.

Project Report No. 66. Force Characteristics of Flapped, Ventilated Hydrofoils in Smooth and Rough Water, by J. M. Wetzel and W.H.C. Maxwell. 70 pages, 13 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1963. NA.

Project Report No. 67 . An Acoustic Study of Gaseous Microbubbles in Boundary Layersa and Propeller Wakes, by John F. Ripken and John M. Killen. 28 pages, 4 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1962. NA.

Project Report No. 68. Force Characteristics of Restrained, Naturally Ventilated Hydrofoils in Regular Waves, by Joseph M. Wetzel and Klaus E. Foerster. 43 pages, 17 illustrations. Prepared for Office of Naval Research, Department of the Navy, NA.

Project Report No. 69. Cavity Formation and Associated Drag in a Supercavitating Flow Over Wedges in a Boundary Layer, by Heinz G. Stefan and Alvin G. Anderson. 83 pages, 30 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1964. A:$7.00.

Project Report No. 70 . A Water Tunnel Air Content Meter, by John M. Killen and John F. Ripken. 41 pages, 17 illustrations, Prepared for David Taylor Model Basin, Department of the Navy, 1964. NA.

Project Report No. 71 Non-Newtonian Pipe Friction Studies with Various Dilute Polymer Water Solutions, by John F. Ripken and Meir Pilch. 55 pages, 1.6 illustrations, Prepared for David Taylor Model Basin, Department of the Navy, 1964. NA.

Project Report No. 72 Further Studies of Ventilated Cavities on Submerged. Bodies, by Frank R. Schiebe and Joseph M. Wetzel.. 50 pages, 17 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1964. NA.

Project Report No. 73. Hydraulic, Studies of the Spillway of the Karnafuli Hydroelectric Power-East Pakistan, by Charles E. Bowers, Frank Y. Tsai, and Roy M. Kuha with Appendices by John T. Hanley and Leroy T. Boyer. 352 pages, 163 illustrations. Prepared for Agency for International Development, Department of State, 1964. NA.

Project Report No. 74. Hydraulic Studies of the Spillway for the Mangla Dam, A Project of the West Pakistan Water and Power Development Authority, by Alvin G. Anderson and Warren Q. Dahlin. 51 pages, 160 illustrations. Prepared for Harza Engineering Company, International. 1968. NA.

Project Report No. 75 . Report on Percolation Studies for the St. Louis River Storage, by Alvin G. Anderson. 25 pages, 11 illustrations. Prepared for Oglebay Norton Company, 1964.. NA.

Project Report No. 76 . Effects of Condenser Cooling Water Discharge from Projected Allen S. King Generating Plant on Water Temperature in Lake St. Croix, by Edward Silberman and Heinz G. Stefan. 88 pages, 40 illustrations. Prepared for Northern States Power Company, 1964. NA.

Project Report No. 77 . A New Facility for Evaluation of Materials Subject to Erosion and Cavitation Damage, by John F. Ripken, John M. Killen, Scott D. Crist, and Roy M. Kuha. 23 pages, 9 illustrations. Prepared for David Taylor Model. Basin, Department of the Navy, 1965. (A summary of work presented in Technical Paper No. 27-A.) NA.

Project Report No. 78 . Report on Studies of the Stabilization of the Big Sioux River at the Interstate 29 Bridge Crossing, by Alvin G. Anderson. 28 pages, 18 illustrations. Prepared for South Dakota Department of Highways and Iowa State Highway Commission, 1965. Addendum I. Effect of Upstream Dike Field on Flow Pattern, 28 pages, 18 illustrations. NA.

Project Report No. 79 . Hydraulic Model Studies for the Guri Hydroelectric Project Report on the Second Stage Diversion and Flow Characteristics of the Spillway, by Alvin G. Anderson and Arthur I. Charbonneau. 138 pages, 146 illustrations. Conducted for Corporacion Venezolana de Guayana, Republic of Venezuela, and sponsored by Harza Engineering Company, 1966. NA.

Project Report No. 80 . Angat River Hydroelectric Project Spillway Hydraulic Design-Addendum to Final Memorandum of July 1963: Calibration of Spillway with Low Crest Blocks, by Alvin G. Anderson. 16 pages, 16 illustrations. Conducted for National Power Corporation, Manila, and sponsored by Harza Engineering Company and Engineering and Development Corporation of the Philippines, 1966. NA.

Project Report No. 81. Reduction of Cavitation Damage by Surface Treatment, by John F. Ripken. 29 pages, 5 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1966. NA.

Project Report No. 82 . A Study of the Influence of Microbubbles on Hydrodynamic Flow Noise, by John M. Killen and Scott D. Crist. 19 pages, 5 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1966. NA.

Project Report No. 83 . Measurements of the Leading-Edge Separation Bubble for Sharp-Edged Hydrofoil Profiles, by Joseph M. Wetzel and Klaus E. Foerster. 28 pages, 11 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1966. NA.

Project Report No. 84. Experimental Investigation of Taylor Instability Using Non¬Newtonian Fluids, by Charles C. S. Song and Frank Y. Tsai. 28 pages, 16 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1966. NA.

Project Report No. 85 . Unsteady Force and Cavity Characteristics for Ventilated Hydrofoils, by Joseph M. Wetzel and Klaus E. Foerster. 48 pages, 15 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1967. NA.

Project Report No. 86 . Model Studies of the Cooling Water Outlet Channel from the Allen S. King Generating Plant to Lake St. Croix, by Edward Silberman and Warren Q. Dahlin. 100 pages, 87 illustrations. Sponsored by Northern States Power Company, 1966. NA.

Project Report No. 87. A Model Study of the Grit Chambers at the Minneapolis-St. Paul Sanitary District Plant, E. Silberman and A. S. Paintal. 64 pages, 33 illustrations. Conducted for Minneapolis-St. Paul Sanitary District and sponsored by Toltz, King, Duvall, Anderson and Associates, 1967. NA.

Project Report No. 88 Report on Properties of Cohesive Soils Related to Erosion, by John W. Hayden. 22 pages, 13 illustrations. Prepared under a grant: from the National Science Foundation, 1967. A:$5.00.

Project Report No. 89 An Experimental Study of the Hydroelastic Instability of Supercavitating Hydrofoils, by Charles C. S. Song and John Almo. 44 pages, 21 illustrations. Prepared for David Taylor Model Basin, Department of the Navy, 1967. NA.

Project Report No. 90 The Effect of Dilute Solutions of Drag Reducing Polymers on Radiated Flow Noise, by John M. Killen and Scott D. Crist, 24 pages, 12 illustrations. Prepared for Naval Ship Research and Development Center, Depart¬ment of the Navy, 1967. NA.

Project Report No. 91. Model Studies-Foothill Feeder Project, Metropolitan Water District of Southern California, Part I. Regular Gate Structure, by Alvin G. Anderson, David J. Anderson, and Roy M. Kuha. 99 pages, 80 illustrations. Conducted for Metropolitan Water District of Southern California and sponsored by Harza Engineering Company, 1967. NA..

Project Report No. 92. Further Experiments on a Jet Flap Hydrofoil in Ventilated Flow, by Joseph M. Wetzel and Klaus E. Foerster. 33 pages, 13 illustrations. Prepared for Naval Ship Research and Development Center, Department of the Navy, 1967. NA.

Project Report No. 93. Model Studies-Foothill Feeder Project, Metropolitan Water District of Southern California, Part II. Big Tujunga Gate and Spillway Structure, by Alvin G. Anderson and David J.. Anderson. 20 pages, 43 illustrations. Conducted for Metropolitan Water District of Southern California and sponsored by Harza Engineering Company, 1968. NA.

Project Report No. 94. Part III-Coastal Engineering Model Study of Interstate Highway 35 at Duluth, Minnesota, by C. Edward Bowers and Larry A. Muller. 17 pages, 66 illustrations. Conducted for Minnesota Department of Highways and sponsored by Howard, Needles,. Tammen and Bergendoff, 1967. NA.

Project Report No. 95. Model Studies of Chlorine Solution Dispersion in Turbulent Pipe Flow. by John W. Hayden. 13 pages, 39 illustrations. Conducted for Metropolitan Water District of Southern California and sponsored by Harza Engineering Company, 1968. NA.

Project Report No. 96. Tentative Design Procedure for Riprap Lined Channels, by Alvin G. Anderson, Amreek S. Paintal, and John T. Davenport. 69 pages, 63 illustrations. Prepared for National Cooperative Highway Research Program, National Academy of Sciences, 1968, OP. Microfiche or Xerox copy available from Mr. Harry Smith, TRB-NCHRP, 2101 Constitution Ave., N.W., Washington, D.C. 20418, approximate cost $6.00.

Project Report No. 97. Review and Analysis of Rainfall and Runoff Data for Selected Watersheds in Minnesota, by C. Edward Bowers and Arthur Pabst. 31 pages, 55 illustrations, and 5 appendices. Prepared for Office of Water Resources Research, Department of the Interior, and Water Resources Research Center, University of Minnesota, 1968. NA.

Project Report No. 98. Model Studies-Foothill Feeder Project, Metropolitan Water District of Southern California, Part III. Morris Reservoir Turnout Structure, by Alvin G. Anderson and David J. Anderson. 25 pages, 38 illustrations. Conducted for Metropolitan Water District of Southern California and sponsored by Harza Engineering Company, 1968. NA.

Project Report No. 99. Model Studies-Foothill Feeder Project, Metropolitan Water District of Southern California, Part IV. San Dimas Reservoir Turnout Structure, by Alvin G. Anderson and David J. Anderson. 8 pages, 5 illustrations. Conducted for Metropolitan Water District of Southern California and sponsored by Harza Engineering Company, 1968. NA.

Project Report No. 100 . Model Studies-Lawrence Avenue Sewer System, City of Chicago, by Alvin G. Anderson and Warren Q. Dahlin. 37 pages, 62 photos, 45 charts. Prepared for Harza Engineering Company, 1968. Supplement 1. Effect of Air and Detergents on Flow Pattern, 1969. NA.

Project Report No. 101. Experimental Study of Warm Water Flow into Impound¬ments. Part I: Flow and Heat Exchange Near a Surface Outlet in a Two-Dimensional Flow, by Heinz G. Stefan and Frank R. Schiebe. 64 pages, 29 illustrations. Prepared for Department of the Interior, FWPCA, 1968. Limited number A:$5.00.

Project Report No. 102. Experimental Study of Warm Water Flow into Impound¬ments. Part II: Temperature and Velocity Instrumentation and Data Processing for the Three-Dimensional Flow Experiments, by Frank R. Schiebe., Heinz G. Stefan, and Norio Hayakawa. 59 pages, 13 illustrations. Prepared for Department of the Interior, Federal Water Pollution Control Administration, 1968. Limited number A:$5.00.

Project Report No. 103. Experimental Study of Warm Water Flow Into Impoundments. Part III: Temperature and Velocity Fields Near a Surface Outlet in Three-Dimensional Flow, by Heinz G. Stefan and Frank R. Sehiebe. 116 pages, 88 illustrations. Prepared for Department of the Interior, Federal Water Pollution Control Administration, 1968. Limited number A:$7,00.

Project Report No. 104. A Model Study of a Dike Enclosure at the Eastern End of Lake Erie, by Edward Silberman, Warren Q, Dahlin, and Anareek S. Paintal. 100 pages, 15 photos, 55 illustrations. Prepared for Bethlehem Steel Corporation, 1969. Supplement I - 17 pages, 3 photos, 17 illustrations. Not Available.

Project Report No. 105 Comparative Studies of Drop Impingement Erosion and Cavitation Erosion, by John F. Ripken. 44 pages, 11 illustrations. Prepared for Office of Naval Research and administered by Naval Ship Research and Development Center, 1969. Not Available.

Project Report No. 106 Model Study of the Spillway of the Reza Shah Kabir, Project Khuzestan Water and Power Authority, Ministry of Water and Power Government of Iran, by Klaus E. Foerster and Alvin G. Anderson. 86 pages, 44 photographs, and 38 illustrations. Prepared for Harza Engineering Company, 1969. Not Available.

Project Report No. 107 The Influence of Gas Nuclei Size Distribution on Transient Cavitation Near Inception, by Frank R. Schiebe. 58 pages, 30 illustrations. Conducted for Naval Ship Research and Development Center, Department of the Navy, 1969. Not Available .

Project Report No. 108 A Study of Flow Over Ventilated Discontinuities in a Boundary Layer, by Bruce D. Ward, Alwin C. Young, and Alvin G. Anderson. 56 pages, 25 illustrations. Prepared for National Science Foundation, 1969. Not Available.

Project Report No. 109 A Feasibility Study of a Field Instrument for the Measurement of Suspended Sediment Concentration, by John M. Killen. 35 pages, 1'I illustrations, Sponsored by U. S. Geological Survey for Committee on Sedimenta¬tion, Water Resources Council, U.S. Department of the Interior, 1969. Not Available.

Project Report No. 110 Model Study of the Intake and Discharge Structures for Zion Nuclear Station, by Edward Silberman and John W. Hayden. 43 pages, 12 photographs, 14- illustrations. Prepared for Harza Engineering Company, 1969. Not Available.

Project Report No. 111 Vibration of Cavitating Hydrofoils, by Charles C. S. Song. 42 pages, 20 illustrations. Conducted for Naval Ship Research and Development Center, Department of the Navy, 1969. Not Available.

Project Report No. 112 Friction Factors for Helical Corrugated Aluminum Pipe, by Edward Silberman and Warren Q. Dahlin. 41 pages, 23 illustrations. Prepared for The Aluminum Association, 1969. Not Available . (See Tech. Paper 45-A.)

Project Report No. 113 Not published.

Project Report No. 114 Shear and Diffusion in a Large Boundary Layer Injected with Polymer Solution, by Joseph M. Wetzel and John F. Ripken. 76 pages, 33 illustrations. Conducted for Naval Ship Research and Development Center, Depart¬ment of the Navy, 1970. Not Available.

Project Report No.115 Physical (Hydraulic) Modeling of Heat Dispersion in Large Lakes, A Review of the State of the Art, by Edward Silberman and Heinz G. Stefan. 107 pages, 20 illustrations. Prepared for Argonne National Laboratory, 1970. A:$7.00.

Project Report No. 116 Temperature Control in Outdoor Experimental Ponds, by H. Stefan, E. Silberman, P. Vaidyaraman, and W. Geiger. 107 pages, 23 illustra¬tions. Prepared for National Water Quality Laboratory, FWPCA, 1970. Not Available.

Project Report No. 117 Hydraulic Model Studies-Priest Rapids Project. Vol. 1. Cofferdam and Spillway Studies. Vol. 2. Permanent Fish Passage Studies, by C. Edward Bowers, Larry A. Muller, and Arthur F. Pabst. Vol. 1: 177 pages, 64 photographs, 99 illustrations. Vol. 2: 113 pages, 46 photographs, 55 illustrations. Prepared for Public Utility District of Grant County, Washington, and Harza Engineering Company. Not Available.

Project Report No. 118 Measurement of the Cavitation Susceptibility of Water Using Standard Bodies, by Frank R. Schiebe. 53 pages, 17 illustrations. Prepared for Naval Ship Research and Development Center, Department of the Navy, 1972. (unclassified).

Project Report No. 119 The Influence of Drag Reducing Polymer Additives on Surface Pressure Fluctuations on Rough Surfaces, by John M. Killen and John A. Almo. 51 pages, 22 illustrations. Prepared for Naval Ship Research and Development Center, Department of the Navy, 1971. Not Available.

Project Report No. 120 An Evaluation of Acoustic Techniques for Measuring Gas Bubble Size Distributions in Cavitation Research, by Frank R. Schiebe and John M. Killen. 29 pages, 8 illustrations. Prepared for Naval Ship Research and Development Center, Department of the Navy, 1971. Not Available.

Project Report No. 121 Further Studies of Friction Factors for Corrugated Aluminum Pipes Flowing Full, by Edward Silberman and Warren Q. Dahlin. 71 pages, 45 illustrations. Prepared for City of La Salle, Illinois and Chamlin and Associates, Inc., 1971. Not Available.

Project Report No. 122 Hydraulics of Long Vertical Conduits and Associated Cavitation, by A. G. Anderson, P. Vaidyaraman, and C. Chu. 48 pages, 22 illustrations. Conducted for Environmental Protection Agency, 1971. Available from Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. 20402, as Report No. 11034 FLU 06/71, Water Pollution Control Series.

Project Report No. 123 The Influence of Drag Reducing Polymer on Radiated Noise from Rough Surfaces, by John M. Killen. 22 pages, 9 illustrations. Prepared for Naval Ship Research and Development Center, Department of the Navy, 1972. Not Available.

Project Report No. 124 Computer Programs in Hydrology, by C. E. Bowers, A. F. Pabst, and S. P. Larson. Conducted for OWRR. OP. Published as Bulletin 44, Water Resources Research Center, University of Minnesota, Graduate School, Jan. 1972.

Project Report No. 125 Seepage and Stability Analysis of Taconite Tailings Basin, by John W. Hayden and Paul Christiano. 22 pages, 1.2 illustrations. Prepared for Minnesota Ore Operations, U. S. Steel Corporation, 1971. OP.

Project Report No. 126 Surface. Discharge of Heated Water. Part I: Three¬Dimensional Jet-Type Surface Plumes in Theory and in the Laboratory, by Heinz G. Stefan. 129 pages, 76 illustrations. Conducted for the Environmental Protection Agency, 1971. OP.

Project Report No. 127 Surface Discharge of Heated Water. Part II. The Two¬Dimensional Buoyant Surface Jet and the Internal Hydraulic Jump, by Heinz G. Stefan and N. Hayakawa. 55 pages, 31 illustrations. Conducted for the Environmen¬tal Protection Agency, 1971. OP.

Project Report No. 128 Surface Discharge of Heated Water. Part III: Field Measurements in a Three-Dimensional Jet-Type Surface Plume, by Heinz G. Stefan and Frank R. Schiebe. 35 pages, 15 illustrations. Conducted for the Environmental Protection Agency, 1971. OP.

Project Report No. 129 Model Study of Proposed Expansion-Encina Power Plant San Diego Gas and Electric Company, by John W. Hayden. 28 pages, 15 illus¬trations. Prepared for Pioneer Service and Engineering Company, 1971. Not Available.

Project Report No. 130 Not published.

Project Report No. 131 A Study of the Fragmentation of Rock by Impingement with Water and Solid Impactors, by John F. Ripken and Joseph M. Wetzel. 39 pages, 15 illustrations. Sponsored by Advanced Research Projects Agency, 1972. Not Available.

Project Report No. 132 Hydraulic Model Studies for the Guri Hydroelectric Power Report on Spillway Cavitation Damage, by John F. Ripken and Warren Q. Dahlin. 119 pages, 69 illustrations. Prepared for Harza Engineering Company and Corpora¬tion Venezolana de Guayana, Republic of Venezuela, 1972. Not Available.

Project Report No. 133 Model Study of the Redesigned Intake Structure for Zion Station, by John W. Hayden. 68 pages, 37 illustrations, 14 photographs. Prepared for Harza Engineering Company, 1972. Not Available.

Project Report No. 134 A Preliminary Report on the Zero-Crossing-Rate Tech¬nique for Average Shear Measurement in Flowing Fluid, by Joseph M. Wetzel and John M. Killen. 45 pages, 20 illustrations. Prepared for Naval Ship Research and Development Center, Department of the Navy, 1972. Not Available.

Project Report No. 135 . Model Studies for the Spillway and Outlet Works of the Yguazu Dam, by Edward Silberman and C. Edward Bowers. 115 pages, 61 illustrations, 32 photographs. Conducted for Chas. T. Main International, Inc., 1972. Not Available.

Project Report No. 136 Evaluation of Snowmelt Flood Forecasting Techniques for the Upper Midwest, by Arthur F. Pabst. 53 pages, 18 illustrations. Prepared for Hydrologic Engineering Center, U.S. Army Corps of Engineers, 1972. Not Available.

Project Report No. 137 Flood Forecasting in the Upper Midwest, Data Assembly and Preliminary Analysis, by Arthur F. Pabst, C. Edward Bowers, and Donald G. Baker. 57 pages, 17 illustrations. Conducted for Office of Water Resources Research, 1972. Not Available.

Project Report No. 138 Hydraulic Model Studies of Sewer Transition, by Arthur F. Pabst and James Pennaz. 16 pages, 6 illustrations, 2 photographs. Prepared for Minnesota Highway Department, 1972. Not Available.

Project Report No. 139 Cerron Grande Project, by Charles C. S. Song. 49 pages, 25 illustrations, 17 photographs. Conducted for Comision Ejecutiva Hidroelectrica Del Rio Lempa and Harza Engineering Company, 1973. Not Available.

Project Report No. 140 Model Study of Donald C. Cook Power Plant Condensate Drain System, by John W. Hayden. 24 pages, 9 illustrations, 8 photographs. Prepared for American Electric Power Service Corporation, 1973. Not Available.

Project Report No. 141 The Use of Standard Bodies to Measure the Cavitation Strength of Water, by Edward Silberwan, Frank R. Schiebe, and Edward Mrosla. 47 pages, 12 illustrations. Conducted for Office of Naval Research, Department of the Navy, 1973. NA. (Published in Proceedings, Conference on Cavitation, Heriot-Watt University, Edinburgh, Scotland, 1974.)

Project Report No. 142 Model Study of the Spillway for the Nader Shah Project Marun River Development, Khuzestan Water and Power Authority, Ministry of Water and Power-Government of Iran, by Alvin G. Anderson and Warren Q. Dahlin. 121 pages, 56 photographs, 72 illustrations. Prepared for Harza Engineering Company, 1973. Not Available.

Project Report No. 143 A Physical Model Study of the Main Interceptor Diversion Structure at the Expanded Metropolitan Wastewater Treatment Plant, by Heinz Stefan, Earl Bancroft, and Glenn Martin. 66 pages, 56 illustrations. Prepared for Toltz, King, Duvall, Anderson, and Associates, Inc. and the Metropolitan Sewer Board, 1973. A:$7.00.

Project Report No. 144. The Generation of Internal Waves in Stratified Fluids, by Charles C. S. Song and Jack C. Hwang. 38 pages, 12 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1973, Not Available.

Project Report No. 145. Simulation of the Quantity and Quality of Flow in a River Basin, by Charles C. S. Song, Arthur F. Pabst, and C. Edward Bowers. 87 pages, 25 illustrations. Prepared for Office of Water Resources Research, 1973. A:$7.00.

Project Report No. 146 . Tentative Design Procedure for Riprap-Lined Channels¬Field Evaluation, by Alvin G. Anderson. 53 pages, 46 illustrations, Prepared for Highway Research Board, 1973. A:$7,00.

Project Report No. 147 . A Design Oriented Continuous Synthesis Model, by Arthur F. Pabst and Kwonshik Kim. 9 pages, with 4 appendices. Prepared for Hydrologic Engineering Center, U.S. Army Corps of Engineers, 1973. Not Available.

Project Report No. 148 Hydraulic Model Tests for Mayfield Power Plant, by Charles C. S. Song. 34 pages, 19 illustrations. Prepared for Department of Public Utilities, City of Tacoma, Washington and Harza Engineering Company, 1974. A:$5.00.

Project Report No. 149 A Buoyancy-Propelled-Test-Body Laboratory Facility, by John M. Killen. 24 pages, 10 illustrations. Prepared for Office of Naval Research, Department of the Navy, 1974. Not Available.

Project Report No. 150 Model Studies of Dropshafts for the Chicago Underflow Plan Dry Weather Flow Dropshaft Helix, by Alvin G. Anderson and Warren Q. Dahlin. 21 pages, 8 illustrations, 12 photographs. Prepared for De Leuw, Cather and Company, Chicago, 1974. Not Available.

Project Report No. 151. Forecasting Rainfall and Snowmelt Floods on Upper Midwest Watersheds, by Kwonshik Kim, Chung-Sang Chu, C. Edward Bowers, and Donald G. Baker. Conducted for Office of Water Resources Research, 1974. Not Available.

Project Report No. 152. Flow Establishment and Initial Entrainment of Heated Water Surface Jets, by Heinz Stefan, Loren Bergstedt, and Edward Mrosla. 141 pages', 65 illustrations. Conducted for Environmental Protection Agency, 1975. Available from NTIS, Springfield, Va. 22151 as EPA-660/3-075-014.

Project Report No. 153 Hydraulic Model Study of South Yard Pier and Wave Screens, by Charles C. S. Song. 51 pages, 39 illustrations. Conducted for Sverdrup and Parcel, St. Louis and Electric Boat Division, General Dynamics Corporation, 1974. Not Available.

Project Report No. 154 Model Studies of Dropshafts for the Tunnel and Reservoir Plan, by Alvin G. Anderson and Warren Q. Dahlin. 214 pages, 110 photographs, 105 illustrations. Sponsored by the Metropolitan Sanitary District of Greater Chicago, 1975. Not Available.

Project Report No. 155 Observations of Cooling Water Discharge Effects on lee Covers and Dissolved Oxygen Levels in Selected Minnesota Streams and Lakes, by Heinz G. Stefan, Dennis E. Ford, and John S. Gulliver. 96 pages, 64 illustrations. Prepared for Electric Utilities Group of Minnesota, 1975. Not Available.

Project Report No. 156 Stochastic Analysis of Spring Meteorological Data in the Upper Midwest, by Kwonshik Kim and C. Edward Bowers. 82 pages, 23 illustra¬tions. Prepared for Hydrologic Laboratory, National Weather Service and National Oceanic and Atmospheric Administration, 1975. Not Available.

Project Report No. 157 Hydraulic Transient Analysis for the Culver-Goodman Tunnel, Rochester, New York, by Charles C. S. Song, Timothy M. Ring, Alwin C. H. Young, and Kim S. G. Leung. 31 pages, 14 illustrations. Prepared for Lozier Engineering, Inc., 1975. Not Available.

Project Report No. 158 Mixing and Heat Transfer of Cooling Water Discharges from the Monticello Nuclear Power Generating Plant into the Mississippi River, by H. Stefan, Gary R. Lake, and Chau V. Nguyen. 53 pages, 10 illustrations. Prepared for Northern States Power Company, 1976. Not Available .

Project Report No. 159 Model Studies of the Bed Regime of Alluvial Channels as Influenced by Submerged Groins, by S. Dhamotharan, W. Q. Dahlin, and J. M. Wetzel. 93 pages, 36 photographs, 38 illustrations. Prepared for St. Paul District, Corps of Engineers, 1976. OP.

Project Report No. 160 Further Studies of Friction Factors for Helical Corregated Aluminum Pipes with Re-Corrugated Annular Rings on Each End, by Warren Q. Dahlin and Edward Silberwan. 28 pages, 19 illustrations. Prepared for Kaiser Aluminum and Chemical Sales, Inc., 1976. Not Available.

Project Report No. 161. The Flow and Stability Characteristics of Alluvial River Channels, by Alvin G. Anderson, Gary Parker, and Addison Wood. 116 pages, 37 illustrations. Prepared for Agricultural Research Service, USDA, 1975. OP.

Project Report No. 162 Waste Heat Dissipation and Effluent Water Temperatures from Black Dog Lake, by H. Stefan and C. V. Nguyen. 64 pages, 23 illustrations. Prepared for Northern States Power Company, 1976. Not Available.

Project Report No. 163 Field Investigations of Water Temperature Stratification and Wind Effects on Dissolved Oxygen in Pool No. 2 of the Mississippi River, by Heinz Stefan and Addison Wood, 1.16 pages, 36 illustrations. Prepared for Metropol¬itan Waste Control Commission, St. Paul, 1976. A:$10.00.

Project Report No. 164 Calumet Pumping Station Hydraulic Model Study, by Heinz Stefan and Addison Wood, 68 pages, 64 illustrations. Prepared for DeLeuw, Cather and Company, Chicago, 1977. A:$7.00.

Project Report No. 165 . Analysis of Flow Through Sturgeon Lake and Backwater Channels of Mississippi River Pool No. 3 Near Red Wing, Minnesota, by Heinz Stefan and Keith Anderson. 51 pages, 10 illustrations. Prepared for Northern States Power Company, 1977. A:$5.00.

Project Report No. 166 Hydraulic Study for Storm Sewer Outlet, by Edward Silberman. 33 pages, 22 illustrations. Prepared for Minnesota Department of Transportation, 1977. Not Available.

Project Report No. 167 Hydraulic Model Studies for a Cooling Tower Circulating Water Systems, Callaway Plant Unit-Union Electric Company, by Edward Silber¬man and Warren Q. Dahlin. 33 pages, 31 illustrations. Conducted for Sverdrup and Parcel and Associates, Inc., St. Louis, 1977. Not Available.

Project Report No. 168 Computer Programs in Water Resources; by Chung Sang Chu and C. Edward Bowers. Printed as University of Minnesota, Graduate School, WRRC Bulletin 97. 263 pages, 116 illustrations. Conducted for Office of Water Research and Technology, USDI, 1977. A:$2.00.

Project Report No. 169 Hydraulic Model Studies of the Circulating Water System for the Sherburne County Generating Plant - Units 3 and 4, by John F. Ripken and Todd Mendell. 58 pages, 33 illustrations. Prepared for Northern States Power Company and Black and Veatch Consulting Engineers, 1978. Not Available.

Project Report No. 170 On An Acoustic Field Generated by Subsonic Jets at Low Reynolds Numbers, by Kingo Yamamoto and Roger E. A. Arndt. 194 pages, 84 illustrations. Prepared for National Aeronautics and Space Administration, 1978. Not Available.

Project Report No. 171 Hydraulic Model Studies for Modifications of the Cooling Water Intake for Unit No. 4-Clay Boswell Plant Off the Minnesota Power and Light Company, by Joseph M. Wetzel and John F. Ripken. 28 pages, 12 illustrations. Prepared for Ebasco Services, Inc., Atlanta, 1978. Not Available.

Project Report No. 172 An Experimental Investigation of the Effect of Drag Reducing Polymer Additives on Surface Pressure Fluctuations on Bodies of Revolution with Rough Surfaces Moving Through Water, by Edward Silberman. 34 pages, 16 illustrations. Prepared for David W. Taylor Naval Ship Research and Development Center, 1978. Not Available.

Project Report No. 173 Model Studies of the San Lorenzo Spillway Executive Hydroelectric Commission, Lempa River, El Salvador, Central America, by Joseph M. Wetzel and Warren Q. Dahlin. 108 pages, 60 photographs, 60 illustrations. Supplement 1. Effect of Aeration Ramps on Flow Pattern, 25 pages, 28 photographs, 3 illustrations. Prepared for Harza Engineering Company, 197$. Not Available. .

Project Report No. 174 Model Study of the Van Lare Overflow Distribution Structure, by John M. Killen and Charles C. S. Song. 28 pages, 30 photographs, 1 illustration. Prepared for O'Brien and Gere Engineers and Pure Water District, Monroe County, New York, 1978. Not Available.

Project Report No. 175 Headloss Characteristics of Six Profile-Wire Screen Panels, by Heinz Stefan and Alec Fu. 71 pages, 46 illustrations. Conducted for Johnson Division UOP, Inc., St. Paul, Minnesota, for Consumer Power Company and Commonwealth Associates, Inc., Jackson, Michigan, 1978. Not Available.

Project Report No. 176 Collector Well Study for the Cooling Water Intake System of the James H. Campbell Electric Power Generating Plant, Unit No. 3, by Heinz Stefan and Alec Fu. 46 pages, 25 illustrations. Conducted for Johnson Division UOP, Inc., St. Paul, Minnesota, for Consumer Power Company and Commonwealth Associates, Inc., Jackson, Michigan, 1978. Not Available.

Project Report No. 177 Experimental Flow Studies with the Dual-Screen Cooling Water Intake Assembly ("Riser") for the James H. Campbell Electric Power Generating Plant, Unit No. 3, by Heinz G. Stefan, Warren Q. Dahlin, John F. Ripken, Addison Wood, and Tom Winterstein. 130 pages, 112 illustrations. Conducted for Johnson Division UOP, Inc., St. Paul, Minnesota, for Consumer Power Company and Commonwealth Associates, Inc., Jackson, Michigan, 1978. Not Available.

Project Report No. 178 Cooling Water Intake Manifold (Header) Study for the James H. Campbell Electric Power Generating Plant, Unit No. 3, by H. G. Stefan, C. Shanmugham, and S. Dhamotharan. 59 pages, 26 illustrations. Conducted for Johnson Division UOP, Inc., St. Paul, Minnesota, for Consumer Power Company and Commonwealth Associates, Inc., Jackson, Michigan, 1979. Not Available.

Project Report No. 179 Ice Formation on Minnesota Lakes, Use of LANDSAT Imagery and Weather Data to Predict Freeze-Over Dates, by Heinz Stefan and Alec Fu. 98 pages, 42 illustrations. Prepared for Space Science Center, University of Minnesota and NASA, 1979. A:$7.00.

Project Report No. 180 Physical Modeling of Chippewa River-Mississippi River Confluence, by Charles C. S. Song, Carlos Jaramillo, Peggy Ottensmann and Christopher Thompson. Part I: 123 pages, 6 photographs, 66 illustrations. Paz : II: 138 pages, 52 illustrations. Prepared for the Great River Environmental Action Team I and U. S. Army Corps of Engineers, St. Paul District, 3981. Not Available.

Project Report No. 181 Tests of the Woolley Valve for the James H. Campbell Plant, Unit No. 3, by John F. Ripken, Warren Q. Dablin, Jeffrey E. Ferguson and Addison 0. Wood. 68 pages, 33 illustrations. Conducted for Johnson Division UOP, Inc., St. Paul, Minnesota, for Consumer Power Company and Commonwealth Associates, Inc., Jackson, Michigan, 1978. Not Available.

Project Report No. 182 Not published.

Project Report No. 183 Fairmont Lakes Study: Relationships Between Stratification, Phosphorus Recycling, and Dredging, by Heinz Stefan and Mark Hanson. 136 pages, 72 illustrations. Prepared for Fairmont Lake Commission, Minnesota, 1979. A: $10.00.

Project Report No. 184 The Effects of Different Operating Plans for the Six Mississippi River Headwaters Dams, Part I, C. Edward Bowers, Nels P. Nelson, Canton K. Gutschick and Wesley C. Schevenius. 151 pages, 96 illustrations. Prepared for St. Paul District, Corps of Engineers, 1979. OP.

Project Report No. 185 The Dynamic Mixed-Flow Model for Metropolitan St. Louis Sewer District, by Charles C. S. Song, Kim Sau Leung, and James A. Candle. 63 pages, 43 illustrations. Prepared for Black and Veatch Consulting Engineers, 1979. Not Available.

Project Report No. 186 A Model for Water Circulation and Solute Transport in Pool No. 2 of the Mississippi River, by H. Stefan and A. Demetracopoulos. 102 pages, 44 illustrations. Prepared for Office of Water Research and Technology, WRRC, University of Minnesota and Metropolitan Waste Control Commission, St. Paul, Minnesota, 1979. A:$10.00.

Project Report No. 187 Culver-Goodman Tunnel Dropshaft Exit Conduit Model Studies, by Warren Q. Dahlin. and Joseph M. Wetzel. 120 pages, 49 photographs, 74 illustrations. Conducted for Lozier Engineers, Inc. and Harza Engineering Company for Division of Pure Waters, Monroe County, New York, 1979. Not Available.

Project Report No. 188 Part I-Flow Around Circular Cylinders: Unsteady Loads, by Cesar Farell. 47 pages, 6 illustrations. Prepared for National. Science Foundation, 1979. OP.

Project Report No. 189 Laboratory Evaluation of Methods to Separate Fine Grained Sediment from Stormwater, by Loren M. Bergstedt, Joseph M. Wetzel, and James A. Cardle. 33 pages, 12 illustrations. Prepared for the Environmental Protection Agency, 1979. Printed as EPA-600/2-79-076 and available from NTIS, Springfield, Va. 22161.

Project Report No. 190 Bedload Transport in a Model Gravel Stream, by S. Dhamotharan, A. Wood, G. Parker, and H. Stefan. 75 pages, 42 illustrations. Prepared for the Environmental Protection Agency, 1980. A:$12.00.

Project Report No. 191 Mississippi River Ice Cover Between Dam No. 3 and Lake Pepin, by Heinz Stefan. 91 pages, 22 illustrations. Prepared for Northern States Power Company, 1980. A:$10.00.

Project Report No. 192 Model Studies of a Cooling Water Discharge Structure Modification, Monticello Nuclear Generating Plant, by J. M. Wetzel, S. Dhamotharan, and W. Q. Dahlin. 75 pages, 45 illustrations, 38 photographs. Prepared for Northern. States Power Company, 1980. Not Available.

Project Report No. 193 Water Temperature Dynamics in Experimental Field Channels: Analysis and Modeling, by Heinz G. Stefan, John S. Gulliver, Michael G. Hahn, and Alec Y. Fu. 171 pages, 43 illustrations. Prepared for Environmental Research Laboratory, EPA, Duluth, 1980.

Project Report No. 194 Hydraulic Model Study of the Cooling Water Intake Rush Island Plant, Union Electric Company, by E. Silberman and C. T. Shanmugham. 25 pages, 6 photographs, 3 illustrations. Prepared for Union Electric Company, 1980. Not Available.

Project Report No. 195 Mathematical Modeling for Cross-Irondequoit Tunnel and Associated Facility, by Charles C. S. Song and Kim Sau Leung. 184 pages, 128 illustrations. Monroe County Division of Pure Waters, Irondequoit Bay Pure Water District, 1980. Not Available.

Project Report No. 196 Preliminary Analysis of Hydropower Production Feasibility at Twenty-One Existing Dam Sites in the State of Minnesota, by John Gulliver, Rodrick J. Garver, Roger E. A. Arndt, and C. Edward Bowers. 25 pages, 5 illustrations. Prepared for Minnesota Energy Agency, 1980. A:$5.00.

Project Report No. 197 Culver-Goodman Tunnel Control Structure Model Studies, by Warren Q. Dahlin and Joseph M. Wetzel. Conducted for Lozier Engineers and Harza Engineering Company, sponsored by Division of Pure Waters, Monroe County, New York, 1981. Not yet published. Not Available.

Project Report No. 198 Numerical and Graphical Procedures for Estimation of Community Photosynthesis and Respiration in Experimental Streams, by John S. Gulliver, Tedd W. Mattke, and Heinz G. Stefan. 123 pages, 35 illustrations. Prepared for Environmental Research Laboratory, EPA, Duluth, 1980. A:$10.00.

Project Report No. 199 Model Studies of a Cooling Water Discharge Outlet Modification, Prairie Island Nuclear Generating Plant, by Joseph M. Wetzel and Warren Q. Dahlin. 69 pages, 32 illustrations, 38 photographs. Prepared for Northern States Power Company, 1981. Not Available. .

Project Report No. 200 Hydropower Feasibility at the Kettle River Dam MN 00513, by John S.,, Gulliver, Robert J. Knowlton, and Rodrick J. Garver. 108 pages, 28 illustrations. Prepared for Minnesota Department of Natural Resources, 1981. A:$10.00,

Project Report No. 201 Effect of Air Ingestion on Performance of Centrifugal Pump, by John M. Killen and Joseph M. Wetzel, Prepared for Naval Sea Systems Command, Department of the Navy. Not yet published. Not Available. .

Project Report No. 202 An Experimental Investigation of the Influence of an Air Bubble Layer on Radiated Noise and Surface Pressure Fluctuations in a Turbulent Boundary Layer, by John M. Killen. Not yet published. Not Available.

Project Report No. 203 Feasibility of Hydropower Capacity Additions at the Granite Falls Dam MN 00510, by Loyal Gake, Rodrick Garver, John Gulliver, and Richard Renaud. 99 pages, 25 illustrations. Prepared for Minnesota Department of Natural Resources, 1981. A:$10.00.

Project Report No. 204 Hydropower Feasibility at the St. Cloud Dam MN 00506, by Robert J. Knowlton, Rodrick J. Garver, John S. Gulliver, and Richard Renaud. 87 pages, 24 illustrations. Prepared for Minnesota Department of Natural Resources, 1981. A:$10.00.

 
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