Manuscripts
Reports -- Aggregate Resource Management Technical Advisory Committee, (1974)
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Hearings (events) -- California. Legislature. Senate. Committee on Natural Resources and Wildlife, (1974, Nov. 20)
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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Statements -- California. Legislature. Senate. Committee on Natural Resources and Wildlife, (1975, May 8)
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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Hearings (events) -- California. Legislature. Senate. Committee on Natural Resources and Wildlife, (1975, Jan. 24)
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 -- Economics of Mining and Processing Sand, Rock and Gravel from an Offshore Aggregate Deposit Near San Diego, California by Douglas W. Sprague, (1971)
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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Booklets -- The History of the Los Angeles Aggregate Industry: A Century in Review a publication of Vulcan Materials, CalMat Division, (1998)
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