Relief shown by spot heights., "Base from U.S. Geological Survey.", "Sources of information: Colorado Department of Natural Resources-Division of Mines and Mined Land Reclamation Division; U.S. Mine Safety and Health Administration; mining companies.", Includes alphabetical and by county indexes of mines and mills or plants., "Acknowledgment: Research supported by U.S. Geological Survey, Department of the Interior, under U.S.G.S. Agreement no. 14-08-001-AO-154.", Description based on record for print version.
Relief shown by spot heights., "Base from U.S. Geological Survey.", "Source: Information based on Colorado Division of Mines Statistics for 1976.", Includes alphabetical and by county indexes of mines and mills or plants., Description based on print record.
Relief shown by spot heights., Includes alphabetical and by-county indexes of mines and mills or plants., Description based on record for print version.
A summary of the methane seep survey activities recently completed at the Bondad Explosion Site (Site), located in Bondad, Colorado. The purpose of the survey was to identify the horizontal extent of methane seep activity at the Site. The survey also included observations of site geology as a means to understand the potential source areas and migration pathways., Description based on online resource; title from PDF title page; (viewed February 2012), "March 2005.", Mode of access: World Wide Web.
prepared by Bryan Lamont., "Approved November 19, 2020 by the Colorado Parks and Wildlife Commission.", Online resource; title from PDF cover (viewed November 2021)
prepared by Bryan Lamont., "Approved November 19, 2020 by the Colorado Parks and Wildlife Commission.", Online resource; title from PDF cover (viewed November 2021)
by Clait E. Braun [and others]., "October 29, 1982.", "Volume 3 of a 14-volume series of reports on Wildlife conservation and energy development in northwest Colorado, produced by the Northwest Colorado Wildlife Consortium with funds provided by the Bureau of Land Management to the University of Colorado through contract no. YA-553-CT1-130.", Includes bibliographical references (pages 152-161)., Print version record.
"Prepared at the request of Senator Gordon Allott of Colorado of the Committee on Interior and Insular Affairs, United States Senate.", Geology. Topography ; Stratigraphy ; Structure ; Economic geology ; Topographic and geologic mapping -- The mineral industry in Colorado -- Mineral fuels and associated resources. Coal ; Oil and gas ; Oil shale ; Rock asphalt and solid asphaltic bitumens -- Metallic mineral resources. Precious- and base-metals : gold, silver, zinc, lead, and copper ; Ferrous metals ; Miscellaneous metals -- Nonmetallic and industrial minerals. Alunite ; Barite ; Fluorspar ; Gem stones ; Pegmatite minerals ; Salts of sodium and potassium ; Sulfur -- Construction materials. Cement rock ; Clays ; Gypsum and anhydrite ; Lightweight aggregates ; Limestone for sugar refining ; Metallurgical limestone ; Sand and gravel ; Stone -- Commodities of little importance in Colorado -- Water resources. Surface water ; Ground water ; Utilization and storage ; Sources of data ; Waterpower., Description based on print version record., Includes bibliographical references (p. 281-283).
prepared for the City of Idaho Springs by Stephen D. Schwochow., Includes 2 plates: Plate 1. Geology, metallic mineral resources and mines in the Idaho Springs vicinity, Colorado. 1:6000 -- Plate 2. Gravel resources in the Idaho Springs vicinity, Colorado. 1:12000., Plate 1 has an index of "Mines listed by quadrants.", Bibliography: pages 7-9., Print version record.
Sheet 1: Coal, uranium, geothermal resources, and metallic minerals -- Sheet 2: Oil & gas, oil shale, sand & gravel -- Sheet 3. [Text]., Digital maps lack series title and state agency names., Photocopy; blue line print., "Dec. 1975.", Includes location diagrams and coal sections on Sheets 1 and 2 ; figures and tables on Sheet 3., Relief on geologic map shown by contours and spot heights., "Selected references" on Sheet 3.
Includes bibliographical references and index., Part 1. Metals, nonmetals, and fuels / by John W. Vanderwilt -- Part 2. Summaries of mining districts and mineral deposits / prepared under the general supervision of W.S. Burbank -- Part 3. Investigations of strategic mineral resources / by W.M. Traver, Jr., Description based on print version record.
Mineral resources of Colorado -- Special section on metals -- Oil shale-coal -- Petroleum and natural gas., Includes bibliographical references and index., Description based on print version record.
