Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Rare Books
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Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Image not available
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

Visual Materials
H1.4 - Heavy Duty Oil Industry - Allied Petroleum - EMSCO falls pump.
photCL SCE 02 - 22227
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Manuscripts
The collection contains letters, documents, including 190,000 reports, 1200 maps, 500 photographs, and 8200 pieces of printed material related to the life and career of Ralph Arnold. Subjects represented in the collection include: mining, petroleum, and seismology in the Western United States as well as Canada, Mexico, Cuba, and South America; political papers from 1914 to 1956, mostly concerning the campaign of Herbert Hoover for president; family and personal papers from 1836 to 1961 of Arnold and his father, Delos Arnold, containing source material on Pasadena and Southern California local history. The collection also contains Arnold's field books, including those made at Stanford University with the U.S. Geological Survey from 1900 to 1909.
mssArnold