Vista Irrigation District--newspaper clippings about the district and other water issues

Vista Irrigation District--correspondence, water contracts, legal issues relating to riparian rights circa 1926-1949

Vista Irrigation District--photographs, schemata, showing the boundaries of the district and how pipeline is to be laid--costs involved for same

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 circa 1934-1939

Conservation Association of Southern California--proposed legislation for curbing industrial pollution circa 1941-1949

Metropolitan Water District of Southern California--maps, schemata, some correspondence 1944, undated

Colorado River--San Diego requirements circa 1936-1946

Planning, business, and housing surveys--San Diego circa 1943-1949

San Dieguito River reservoir development plan circa 1933-1950

Henshaw Dam and reservoirs--maps, statistics circa 1934-1944

Morena-Barret-Otay reservoir system circa 1946-1950

San Diego Aqueduct--chronology, contracts, maps circa 1945-1949

Hodges Reservoir (dam) circa 1936-1949

San Dieguito River projects--dams, flood control at or near Hodges Dam circa 1937-1949

Sweetwater Falls project 1943-1944, undated

Coronado/California Water and Telephone Company--litigation and miscellaneous papers regarding water supply to Coronado Island and the naval institution thereon 1942-1948, undated

Colorado River--cost studies and reservoir requirements for obtaining Colorado River water--maps, computations, estimates circa 1939-1949

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 circa 1935-1950

San Diego County Water Authority--water supply--maps, charts, correspondence circa 1903-1950

San Diego County Water Authority--consumption and water costs--primarily statistics and projections circa 1942-1950

San Diego County Water Authority--correspondence with other water districts

San Diego County Water Authority--miscellaneous architectural schemata of various water development projects 1936

San Diego County--population projections and water supply 1943-1950

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 damage 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 undated