Manuscripts
Memoirs -- Building a State Geological Survey, California 1928-1958 by Olaf P. Jenkins, (1976)
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California State Mining and Geology Board
Manuscripts
The first series consists of material related to Douglas W. Sprague's tenure as a member and executive officer of the California State Mining and Geology Board from 1976 through 1985.
mssSprague2
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Annual reports -- California State Mining and Geology Board, (1979-1985)
Manuscripts
The first series consists of material related to Douglas W. Sprague's tenure as a member and executive officer of the California State Mining and Geology Board from 1976 through 1985.
mssSprague2
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Reports -- Report of the Committee on Surface Mining for the State of California, (1970, Oct. 27)
Manuscripts
The first series consists of material related to Douglas W. Sprague's tenure as a member and executive officer of the California State Mining and Geology Board from 1976 through 1985.
mssSprague2
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Reminiscences -- State Mining & Geology Board - Reminiscences of a Member and Its Special Representative, from 1976 to 1984; by Douglas W. Sprague, (2012, Mar. 11)
Manuscripts
The first series consists of material related to Douglas W. Sprague's tenure as a member and executive officer of the California State Mining and Geology Board from 1976 through 1985.
mssSprague2
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Reports -- Mineral Land Survey Sand and Gravel Resource Zones, Western San Diego County, California for San Diego Rock County, (1979)
Manuscripts
The first series consists of material related to Douglas W. Sprague's tenure as a member and executive officer of the California State Mining and Geology Board from 1976 through 1985.
mssSprague2
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Correspondence -- To Lewis A. Moran, Director of Department of Conservation from Arthur Grantz, Geologist, (1976, Jan. 5)
Manuscripts
The first series consists of material related to Douglas W. Sprague's tenure as a member and executive officer of the California State Mining and Geology Board from 1976 through 1985.
mssSprague2