Contents include: Correspondence with John P. Van Denburgh, Supt. of Roosevelt Irrigatin District.

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 with John P. Van Denburgh and others; and Roosevelt Irrigation District-Salt River Valley Water Users' Association contracts, 1921.

Contents include: Supplemental agreement, Salt River Valley Water Users' Association and Roosevelt Irrigation District, May 31, 1950.

Contents include: Complaints, answers, stipulations, etc. and correspondence.

Contents include: Memorandum by C.H. Lee, August 1947, regarding relationship of legal issues to physical facts in case.

Contents include: Correspondence with son, Allan Lee, and John Van Denburgh regarding identification and measurement of private wells in Phoenix Basin.

Contents include: Work sheets, etc; data on instruments; and A new irrigation float meter for concrete pipe lines, by C.N. Johnston, November 1945; A new portable field water meter and a new furrow water meter, by C.N. Johnston, November 1945; and Discharge of pipes flowing partly full, by Carl Rohwer, reprinted from Civil Engineering(v. 13, no.10, October 1943).

Contents include: Data; correspondence with John Van Denburgh; and Interpretation of water analyses, by W.T. McGeorge, Univ. of Arizona Extension Service Circular 107 (April 1940).

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.