Manuscripts
Projects -- The Cajon Creek Habitat Conservation Area by Vulcan Materials Company, Western Division, (2011)
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Oro Grande Technical Attachments: Created Exclusively for the 2010 California Department of Conservation Reclamation Award Program, Vulcan Materials Company, Western Division
Manuscripts
Binder
mssSprague2
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Projects -- Vulcan Materials Company's Morongo Project "A Case Study of Excellence in Reclamation" presented by RGP, Planning & Development Services, (2003)
Manuscripts
Included: Correspondence
mssSprague2
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Booklets -- Before and After, Extraordinary Reclamation Projects by Vulcan Materials Company, [undated]
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
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Projects -- Morongo Project Documents prepared by RGP, Planning & Development Services, (1998)
Manuscripts
Including: Site Closure Program for the Morongo Facility; Revegetation Guidelines for the Morongo-Banning Site Closure Plan; map; timeline
mssSprague2
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Reports -- California. Division of Mines and Geology, (1975-1979)
Manuscripts
Special Report No. 121, Sand and Gravel Resources of the Sacramento Area, California, 1975; Special Report No. 139, Aggregates in the Greater Los Angeles Area, California
mssSprague2