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J. Ralph Shoemaker papers, Water Resources Collection

Identifier: H-Mss-0829

  • Staff Only

Scope and Contents of the Collection

The papers in collection consist of 60 field books, legal cases on water rights, maps, photographs, records of rainfall and wells, engineer's reports.


  • 1910-1960

Restrictions on Access

This collection is open for research.

Publication Rights

Property rights resides with Special Collections, Honnold/Mudd Library. For permission to reproduce or to publish, please contact Special Collections staff.

Biography of J. Ralph Shoemaker

J. R. Shoemaker was a hydraulic engineer who worked in the Pomona Valley. He worked for Pomona Valley Protective Association. San Dimas Water Company and San Dimas-Charter Oak Domestic Water Company, State Division of Water Resources, San Antonio Water Company, Southern California Water Company. He was involved in legal suits such as Irrigation Company of Pomona v. San Antonio Water Company, Cucamonga Water Company 1922-1930, Chino Basin Protective Association 1926-1935, San Gabriel Valley Protective Association v. City of Pasadena 1928-1931, Rancho Santa Margarita v. Vail, Pasadena v. Alhambra 1938-1941.


19 boxes

Language of Materials



This collection contains the papers and reports of hydraulic engineer J. R. Shoemaker. He worked for the Pomona Valley Protective Association, and various Southern Californian water companies. He was also involved with legal suits related to water and water rights. Materials in the collection include field books, legal documents, reports, records, maps, and photographs relating to his work.


Series 1 Water-Rights and Water-Supply in Southern California

Series 2 Legal Cases on Water Rights

Series 3 Maps

Series 4 Well Logs and Well Records

Physical location

Special Collections. Honnold/Mudd Library.

Acquisition Information

Acquired from the Shoemaker family.


No additions to the collection are anticipated.

General Physical Description note

no content

Processing Information

Arranged and processed by Russell Michalak in 2009.
Guide to the J. Ralph Shoemaker papers, Water Resources Collection
Finding aid created by Russell Michalak
Description rules
Describing Archives: A Content Standard
Language of description
Script of description
Language of description note
Finding aid written in: English

Repository Details

Part of the 01 - Special Collections, Honnold/Mudd Library Repository

800 North Dartmouth Ave
Claremont CA 91711 United States