This collection contains reports, 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.

This collection contains reports, 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.

This collection contains reports, 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: Correspondence; clipping; pamphlets; notes; reprint, Sealing Chenery Reservoir: Novel method uses bentonite suspension, by Charles H. Lee, from Western Construction News, (December 25, 1930, pages 621-625); and clipping, Tunneling a water-bearing fault by cementation, by J.S. Crawhall, from Engineering News-Record, (May 30, 1929, pages 874-877).

This collection contains reports, 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.

This collection contains reports, 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: Field notes; data; and Report on inspection of water conditions and use of water on Uvas Creek from Sveadal Resort fo Gilroy Water-works dam, by Charles H. Lee, San Francisco, September 1931 (5 1. map).

This collection contains reports, 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: Memorandum on effect of explosives used in highway cut over Tunnel 32, by Charles H. Lee; and Memorandum on causes of damage to concrete lining ot Tunnel no. 32, Western Pacific Railway, by Charles H. Lee.

Contents include: Graphs and memoranda by Charles H. Lee-- Comments on reports submitted by Division of Highways in regard to damage at Western Pacific Railway Tunnel 32, memorandum on possibility of soft rock back of concrete lining in Tunnel 32 swelling with moisture, and Method of analyzing stresses in concrete lining of Tunnel no. 32 for conditions prior to highway operations.