Vista Irrigation District--newspaper clippings about the district and other water issues---various dates, none predominate.
Vista Irrigation District--correspondence, water contracts, legal issues relating to riparian rights---1926-1949 (dates not inclusive).
Vista Irrigation District--photographs, schemata, showing the boundaries of the district and how pipeline is to be laid--costs involved for same---various dates, none predominate.
San Diego Water Issues--consisting primarily of newspaper clippings made by Herbert Whitney when he was superintendent of water in San Diego prior to 1915. Acquired by Pyle from Mrs. Whitney---1947.
Completion of the El Capitan Reservoir Project (connecting pipeline), American Canal Project, reinforcing Hodges Dam--correspondence, memorabilia, statistics-all relating to the aforementioned capital improvement projects. Samuel I. Fox, member of the Water Advisory Committee, (and, later, president of the San Diego County Water Authority) was the prime mover behind the effort to have these projects approved by the electorate. The main reason for their importance was to provide San Diego with an uninterrupted supply of water for the future---1934-1939 (dates not inclusive).
Conservation Association of Southern California--proposed legislation for curbing industrial pollution---1941-1949 (dates not inclusive).
Metropolitan Water District of Southern California--maps, schemata, some correspondence---1944 (most material undated).
Colorado River--San Diego requirements---1936-1946 (dates not inclusive).
Planning, business, and housing surveys--San Diego---1943-1949 (dates not inclusive).
San Dieguito River reservoir development plan---1933-1950 (dates not inclusive).
Henshaw Dam and reservoirs--maps, statistics---1934-1944 (dates not inclusive).
Morena-Barret-Otay reservoir system---1946-1950 (dates not inclusive).
San Diego Aqueduct--chronology, contracts, maps---1945-1949 (dates not inclusive).
Hodges Reservoir (dam)---1936-1949 (dates not inclusive).
San Dieguito River projects--dams, flood control at or near Hodges Dam---1937-1949 (dates not inclusive).
Sweetwater Falls project---1943-1944 (some material undated).
Coronado/California Water and Telephone Company--litigation and miscellaneous papers regarding water supply to Coronado Island and the naval institution thereon---1942-1948 (some material undated).
Colorado River--cost studies and reservoir requirements for obtaining Colorado River water--maps, computations, estimates---1939-1949 (dates not inclusive).
San Diego County reservoirs--usage for recreation--includes information on fees to be charged, safety and hygenic considerations, extent of amenities to be offered to the public---1940.
San Diego County Water Authority--water development--maps, charts, correspondence---1935-1950 (dates not inclusive).
San Diego County Water Authority--water supply--maps, charts, correspondence---1903-1950 (dates not inclusive).
San Diego County Water Authority--consumption and water costs--primarily statistics and projections---1942-1950 (dates not inclusive).
San Diego County Water Authority--correspondence with other water districts---various dates, none predominate.
San Diego County Water Authority--miscellaneous architectural schemata of various water development projects---1936.
San Diego County--population projections and water supply---1943-1950 (dates not inclusive).
Ed Fletcher Company--real estate considerations regarding San Diego Water Development---1948.
Pasadena vs. Basich--complaint brought against Basich Brothers (contracting firm) by the City of Pasadena for allowing excess water to accumulate in the Morris Reservoir, causing damge to the property of some individuals situated below the reservoir.--suit settled out of court to plaintiff's satisfaction---1939-1940.
Fred D. Pyle--personal--miscellaneous--includes resume, articles that he co-authored, (one) photograph---material undated.