Manuscripts

Section IV: SAN MANUEL MINES COMPANY AND SUBSIDIARY MINING COMPANIES IN MEXICO

Description: Deals with the San Manuel Mines Company and several subsidiary mining companies in Mexico: Las Mercedes Copper Mining Co., Julia Copper Mines, El Plomo and Esperanza Lead and Zinc Mines, and others. Keller entered the firm as a partner of Jackson A. Graves (q.v.), whose son-in-law E. S. Armstrong had developed the mines. The collection contains letters from 1914 to 1962 concerning the operation of the mines and the company's attempts to sell the properties to various American firms.
Type: Manuscripts(Opens in new tab)
Production date: 1827-1966.
Call number: mssKellerh
Creator: Keller, Henry Workman (1869-1958)(Opens in new tab)
Provenance

Photographs of San Manuel Mine

Manuscripts

The collection consists of the personal and business papers of Los Angeles businessman Henry Workman Keller (1869-1958) and is comprised of approximately 7985 pieces. Many of the papers are bound together in files so that one item may contain up to 500 or more letters.It includes papers related to land in California and Mexico, agriculture (including materials on the prune and rice industries, irrigation and flood control) in Colusa County, California, and mining (including copper, lead and zinc mines) in Mexico. There are also materials related to the citrus fruit industry, the Automobile Club of Southern California, and the Mexican Revolution (1910-1920). Correspondents represented in the collection include: Harry Chandler, John Page Crutcher, Edward Fletcher, Llewellyn A. Luce, John G. Mott, Epes Randolph, Ygnacio Sepúlveda, Henry H. Timken, and William L. Valentine. Businesses with which Henry Workman Keller (1869-1958) was association which are represented in the collection include: the San Isidro Ranch Company, the Thousand Acre Ranch Company, and the San Manuel Mines Company and its subsidiaries.

mssKellerh

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