Various estimates concerning proposed improvements for the District, cost and earning powers of the Los Angeles Aqueduct. Includes letter report of Wm. Mulholland to City of Los Angeles Board of Public Service Commissioners... "plans of conduits and pipe lines for the distribution of the Owens River water, together with estimates of the cost of same." Dated March 16, 1912.

Documents containing legal descriptions of land comprising the District.

File of tables, charts showing rainfall, rotated crop acreage, etc. for the years 1919 to 1929.

Correspondence includes engineering report to Board of Directors of San Gabriel County Water District, appointment of J.B. Lippincott as Consulting Engineer, cost estimates and specifications.

Information concerning San Gabriel River and Forest Reserve as examined by the U.S. Geological Survey under the direction of J.B. Lippincott.

Discharge tables, miscellaneous measurements.

Well records, discharge records, runoff, applications to appropriate water, etc.

"Defendant's exhibit no.204." Concerns providing domestic water supply of the city of San Francisco.

Bound with: "Some notes on the San Francisco Disaster," by Richard G. Doerfling.

Rough draft of engineering report: correspondence, tables, notes, bound together. Includes estimate of value of Van Nuys Water Company.