Manuscripts
Annual reports -- California State Mining and Geology Board, (1979-1985)
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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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Bulletins -- California Division of Mines and Geology, (1970)
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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Annotated bibliographies -- California. Division of Mines and Geology, (1984)
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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Annual reports - Reports
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