Contents include: Field notes and graphs.

Contents include: Data compiled for hearing; and Railroad Commission decision, September 1926.

Report, correspondence, documents, maps, photographs, clippings, etc., pertaining to projects in hydraulics, sanitation, irrigation, municipal water supply, surface water and groundwater hydrology, and soil in California and other Western states, particularly for the City of Los Angeles regarding water supply from the Owens Valley.

Report, correspondence, documents, maps, photographs, clippings, etc., pertaining to projects in hydraulics, sanitation, irrigation, municipal water supply, surface water and groundwater hydrology, and soil in California and other Western states, particularly for the City of Los Angeles regarding water supply from the Owens Valley.

Report, correspondence, documents, maps, photographs, clippings, etc., pertaining to projects in hydraulics, sanitation, irrigation, municipal water supply, surface water and groundwater hydrology, and soil in California and other Western states, particularly for the City of Los Angeles regarding water supply from the Owens Valley.

Contents include: 2 reports - Black and deposite south of Coos Bay, Oregon, by L.H. Duschak, December 1930; and Description of industrial mineral deposits located in southwestern Oregon, by J.D. Mereen, August 1930.

Contents include: Rogue River water supply studies; dam construction data; and Calderwood High Arch Dam designed with deep cushion pools to receive overflow, Engineering News-Record,December 19, 1929.

Contents include: Rogue River daily discharge, 1906 - 1928.

Contents include: Seasonal precipitation records at U.S. Weather Bureau stations in western Oregon to 1928-1929; map of Rogue River Power Project.

Contents include: Field notes and miscellaneous data.