81. Surficial geology and soils of the Elmira-Williamsport region, New York and Pennsylvania Author/Creator: Denny, Charles Storrow, 1911- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1963 Resource Type: Book Access & Availability: Loading
82. Fluvial sediment in Whitehead Watershed and Whitehead Reservoirs, Nebraska, April 1955 to September 1956 Author/Creator: Mundorff, J. C. 1923- (James Calvin), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1958 Resource Type: Book Access & Availability: Loading
83. Annotated bibliography on hydrology (1951-54) and sedimentation (1950-54) United States and Canada Author/Creator: American Geophysical Union Publication/Creation: [Washington] : [U.S. Govt. Print. Off], [1956] Resource Type: Book Access & Availability: Loading
84. Manuel de conservation du sol Publication/Creation: Washington, D.C. : U.S. G.P.O., 1950 Resource Type: Book Access & Availability: Loading
85. Normalcy tests of precipitation and frequency studies of runoff on small watersheds Author/Creator: Potter, W. D. 1898- (William Dayton) Publication/Creation: Washington : Dept. of Agriculture, 1949 Resource Type: Book Access & Availability: Loading
86. Manual de conservación de suelos Publication/Creation: Washington, D.C. : U.S. G.P.O., 1947 Resource Type: Book Access & Availability: Loading
87. Conserving farm lands : planning for soil-erosion control, water conservation and efficient land use Author/Creator: Dale, Tom, 1899- Publication/Creation: Washington : U.S. Govt. Print. Off, 1940 Resource Type: Book Access & Availability: Loading
88. Land use planning under way Author/Creator: United States. Bureau of Agricultural Economics Publication/Creation: Washington : [U. S. Govt. Print. Off.], 1940 Resource Type: Book Access & Availability: Loading
89. The silt load of Texas streams ... Author/Creator: Texas Board of Water Engineers Publication/Creation: [Austin, Tex.] : [publisher not identified], [1940-] Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
90. Hands to save the soil Author/Creator: Civilian Conservation Corps (U.S.) Publication/Creation: [Washington, D.C.] : [U.S. G.P.O.], [1939] Resource Type: Book Access & Availability: Loading