Rare Books
Preliminary mineralogical and geological map of the State of California
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Preliminary mineralogical and geological map of the State of California / William Irelan Jr. State Mineralogist
Visual Materials
No old shelf mark. Only the northernmost portion of this map. A scrap from apparently a different printing is also included. The map portion shows only N39° to N42°. For a full copy of the map, see RB 384723. Lake Tahoe is named both Tahoe and Bigler. The key to the various mineralogical formations is also missing. Prime meridian: GM. Relief: shaded. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography. Verso Text: MS note: Preliminary Mineralogical and Geological Map of California 1891.
ephMPCALIF0199
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Geological Map of the State of California
Rare Books
A large map in two sheets with geological areas differentiated by color. Legend Geological. "Union Litho. Co. S.F." "Copyright 1916 by Fletcher Hamilton State Mineralogist." Prime meridian: GM, Washington. Relief: no. Graphic Scale: Miles, kilometers. Projection: Polyconic. Printing Process: Lithography.
139326
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Outlines of the mineralogy and geology of Boston and its vicinity : with a geological map
Rare Books
472895
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Utah Geological and Mineralogical Survey
Manuscripts
Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
mssMarston papers
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Geologic map of California (1938)
Visual Materials
A collection of photographs and maps compiled by American geologist and petroleum engineer Ralph Arnold (1875-1961), documenting his pioneering work in oil and mineral exploration, chiefly in the Western United States, Mexico and Venezuela, from 1900 to 1954. The collection centers on 64 photograph albums that span 50 years of Arnold's life and work. Photographs are accompanied by Arnold's typed captions identifying geological features; oil and mining activities; technical data; and dates and locations, i.e. often an oil or mining "district" or "field," such as "Sunset Field" (California). Subject matter includes geological and topographical features such as rock formations, faults and schisms, mountain structure, geothermal activity, and open land with potential drilling or mining spots. Earthquake faults are seen and described in many of Arnold's California investigations. There are also views of small and large-scale oil operations (by individuals and by organized companies); details of oil flow and reservoirs; asphalt; drilling equipment; workers and fields of oil wells. Arnold's work took him all over the Western United States, particularly California oil fields, but also Texas, Wyoming, Arizona, Alaska and other states. From 1911-1916 he was primarily in South America, and in the 1920s-1940s, mostly in the U.S., Canada and Mexico. Mining operations are the focus of some albums, showing investigations for tin, gold and other minerals; mines and ore processing, all with detailed descriptions. Arnold also often photographed people: colleagues and business associates, oil lease owners on their properties; workers (particularly Black and Asian workers in Venezuela); and friends and family. Personal photographs are throughout the album, such as of his wife, Winninette, and their two daughters; Stokes family members (Winninette's family) in South Pasadena; and alumni of Pasadena High School and Stanford University. Arnold was an avid gardener and the albums contain detail views of cactus and tropical plants, and scenes of Arnold collecting wild orchids in Trinidad, Venezuela and Mexico. The maps date from 1880-1948 and include U.S.G.S. and geological maps, California oil fields and well locations; layouts of mines, and various tract maps showing oil company-owned land.
photCL 311