Frank L. Lathrop papers

Processed by the Special Collections and Archives Staff, 2017.
Special Collections & University Archives
The UCR Library
P.O. Box 5900
University of California
Riverside, California 92517-5900
Phone: 951-827-3233
Fax: 951-827-4673
The Regents of the University of California. All rights reserved.

Descriptive Summary

Title: Frank L. Lathrop papers
Date (inclusive): 1939-1962
Collection Number: LATH
Creator: Lathrop, Frank L.
Extent: 3.34 linear feet (8 boxes)
Repository: Rivera Library. Special Collections Department.
Riverside, CA 92517-5900
Abstract: The collection consists of correspondence, news clippings, manuscripts, and reports related primarily to the development and usage of the Klamath River Basin in the mid-20th century, created and compiled by consultant Frank L. Lathrop.
Languages: The collection is in English.


The collection is open for research.

Publication Rights

Copyright has not been assigned to the University of California, Riverside Libraries, Special Collections & Archives. All requests for permission to publish or quote from manuscripts must be submitted in writing to the Head of Special Collections & Archives. Permission for publication is given on behalf of the Regents of the University of California as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained by the researcher.

Preferred Citation

[identification of item], [date if possible]. Frank L. Lathrop papers (LATH). Special Collections & University Archives, University of California, Riverside.

Processing History

The collection was processed by the Water Resources Collections and Archives staff, and a machine-readable finding aid was created by James Lake in 1998. The finding aid was updated by Jessica Geiser in 2017.

Biographical Note

Frank L. Lathrop was born on April 3, 1882. He was a licensed real estate broker and a "specialist in fact finding." He resided in Yreka, California, and took interest in public lands and water-supply.

Collection Scope and Contents

The collection consists of correspondence, news clippings, manuscripts, and reports related primarily to the development and usage of the Klamath River Basin.

Collection Arrangement

The collection is arranged into two series as follows:
  • Series 1. Correspondence, 1945-1961
  • Series 2. Reports and Related Materials, 1939-1962

Indexing Terms

The following terms have been used to index the description of this collection in the library's online public access catalog.


California. Klamath River Compact Commission
California Oregon Power Company
Klamath River (Or. and Calif.)
Lathrop, Frank L.
Power resources--Klamath River (Or. and Calif.)
Water resources development--California--Siskiyou County
Water resources development--Law and legislation--California

Genres and Forms of Materials


Collection Contents


Series 1. Correspondence 1945-1961

Series Scope and Contents

The series consists of correspondence and related materials regarding the Klamath River and other water issues affecting Siskiyou County. Correspondents include Lathrop, and various federal and state government officials.

Series Arrangement

Materials in the series are arranged chronologically.
Box 1, Folder 1

Correspondence 1945-1951

Box 1, Folders 2-3

Correspondence 1952

Box 1, Folder 4

Correspondence 1953

Box 1, Folders 5-6

Correspondence 1954

Box 1, Folders 7-8

Correspondence 1955

Box 2, Folders 1-4

Correspondence 1956

Box 2, Folders 5-6

Correspondence 1957

Box 2, Folder 7

Correspondence 1958-1961


Series 2. Reports and Related Materials 1939-1962

Series Scope and Contents

The series consists mostly of reports prepared by Frank L. Lathrop on various issues related to the Klamath River Basin, including water rights, water storage, wildlife refuges, and federal vs. state control of water development.

Series Arrangement

The series is arranged chronologically.
Box 3, Folder 1

California Water Rights Protective Association 1957

Box 3, Folders 2-4

Copco Lake - Correspondence, Feasibility Studies, Photographs, etc. Regarding Establishment of a State Park at Copco Reservoir 1939-1962

Box 3, Folders 5-6

Northern California Water Matters - Newspaper Clippings 1951-1962

Box 3, Folder 7

Klamath River Commission Problems - Statement by L.A. Stanley 1954

Box 3, Folder 8

Copies of Water Documents from the Files of Lathrop, Identified as W-5, W-6, W-7, Made July 14, 1954, for Use of Members of California Klamath River Commission 1954

Box 3, Folder 9

Government Water Filings - Klamath River 1954

Box 3, Folder 10

Historical Review and Analysis of Refuges and Migratory Bird Reservations within the Klamath Project 1954

Box 3, Folder 11

Interstate Compacts : A Review of Columbia Interstate Compact 1954

Box 4, Folder 1

Inventory of Water Supply and Water Resources of Upper Klamath River Basin - Part 1, Area 1954

Box 4, Folder 2

Copco v. Government on Water Power Development Level 1954

Box 4, Folders 3-4

Trusts in Relation to Klamath Reclamation Project 1955

Box 4, Folder 5

Copco v. Public - Fluctuations of Klamath River 1955

Box 4, Folder 6

Private Power at Klamath River - Historical Abstract of Proceedings 1955

Box 4, Folder 7

Inter-state Water - Klamath River Basin Compact Between Oregon and California 1957

Box 4, Folder 8

Water Rights, Upper Klamath River Basin - Supplemental Abstract 1955

Box 4, Folder 9

Memorandum to Chairman Hagelstein 1955

Box 4, Folder 10

McKay on Contract Renewal and Shasta Valley Water 1955

Box 4, Folder 11

Copco Contract Efforts to Obtain Firm Supply of Water 1955

Box 5, Folder 1

1917-1955 Copco Contracts - Comparative Analysis 1955

Box 5, Folder 2

Klamath River Basin Compact - Government Participation 1955

Box 5, Folder 3

Waters of Upper Klamath River Basin - Master Index 1956

Box 5, Folder 4

Waters of Upper Klamath River Basin - Water Rights, Three Steps 1956

Box 5, Folder 5

Waters of Upper Klamath River Basin - Water Storage, Control & Release 1956

Box 5, Folder 6

Waters of Upper Klamath River Basin - Copco's Claim to Priority Water Right Earlier than May 19, 1905 1956

Box 5, Folder 7

Waters of Upper Klamath River Basin - Copco Contract Renewal or Extension 1956

Box 5, Folder 8

Waters of Upper Klamath River Basin - Fourth Period 1951-1956, Second 50 Year Contract 1956

Box 5, Folders 9-10

Siskiyou County Water Plan 1956


NOTE: Another copy shelved at WRCA as: G488 H6 v. 1-2
Box 5, Folder 11

Special Report - Water Rights, Water Storage 1956

Box 5, Folder 12

Supplemental Report - Water Rights, Water Use 1956

Box 5, Folder 13

Supplemental Report - Water Rights, Water Use - Appendix I: Water Use 1956

Box 5, Folder 14

Supplemental Report - Water Rights, Water Use - Appendix IIa: Water Production 1956

Box 5, Folder 15

Supplemental Report - Water Rights, Water Use - Appendix IIb: Water Production Hydrology 1956

Box 5, Folder 16

Supplemental Report - Water Rights, Water Use - Appendix IIc: USGS Surface Water Hydrology 1956

Box 5, Folder 17

Supplemental Report - Water Rights, Water Use - Appendix IId: Water Utilization and Requirements 1956

Box 6, Folder 1

Supplemental Report - Water Rights, Water Use - Appendix IIe: List of Tables 1956

Box 6, Folders 2-4

U.S. Government and Copco Contracts - Comparative Analysis 1956

Box 6, Folder 5

Title Abstract - Klamath Project 1905-1956 1956

Box 6, Folders 6-7

Klamath River - A History of Oregon-California Relations and Federal-State Relations 1957

Box 6, Folder 8

The Klamath River Trust 1957

Box 6, Folder 9

Documents Supporting Siskiyou County's Request for the Attorney General's Opinion on Certain Issues 1957

Box 7, Folder 1

Special investigation - Klamath River, Copco 1957

Box 7, Folder 2

Factual Brief on Wildlife Refuges and Grain Leases within Klamath Reclamation Project 1957

Box 7, Folder 3

California's Water Issues - Master Index 1957-1958

Box 7, Folders 4-7

California's Water Issues 1957-1958

Box 7, Folder 8, Box 8, Folder 1

Control of Western Waters 1958

Box 8, Folder 2

Report to the Senate Interim Committee on Proposed Water Projects 1958