Manuscripts
Memorandums, (1995-1998)
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Memorandums, (2002)
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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Memorandums, (1989-1991)
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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Memorandums, (1992-1994)
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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Memorandums, (1985-1988)
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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Memorandums -- Miscellaneous, (1980-1981)
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