Rare Books
Resources of Pinal county, Arizona : Prepared for the Special Senate committee on arid lands
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Ore teams, Pinal County, Arizona
Visual Materials
Two teams of twenty horses and four wagons on the road.
photCL Pierce 06425
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Resources of Maricopa County, Arizona Territory : report of the Phoenix Chamber of Commerce
Rare Books
406355
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Reclamation of arid lands by irrigation : report of Committee on Arid Lands of the California State Board of Trade
Rare Books
2821
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(225) Silver King Mine, Pinal County, Arizona
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