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Manuscripts

a. El Tigre Group of Mines

Description
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.
Type
Manuscripts(Opens in new tab)
Date
1935
Call number
mssArnold
Creator
Arnold, Ralph (1875-1961)(Opens in new tab)
Provenance
Gift of Ralph Arnold, 1955-1961.
Restrictions
Open for use by qualified researchers and by appointment. Please contact Reader Services at the Huntington Library for more information.
Rights
The Huntington Library does not require that researchers request permission to quote from or publish images of this material, nor does it charge fees for such activities. The responsibility for identifying the copyright holder, if there is one, and obtaining permission rests with the researcher.
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