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Minerals of Colorado: A 100-Year Record
A report about the known facts about the minerals that make up the rocks, soils, and ore deposits of Colorado.
Date:
1961
Creator:
Eckel, Edwin B.
System:
The UNT Digital Library
Reconnaissance of Titaniferous Sandstone Deposits of Utah, Wyoming, New Mexico, and Colorado
Report issued by the Bureau of Mines over heavy sandstone deposits in the Four-State area of the U.S. Details of the geology and an estimate of resources are presented. This report includes tables, maps, and illustrations.
Date:
1961
Creator:
Dow, Vernon T. & Batty, J. Vance
System:
The UNT Digital Library
Iron Mountain Titaniferous Magnetite Deposits, Fremont County, Colorado
Report issued by the Bureau of Mines over the Iron Mountain magnetite deposits. As stated in the introduction, "magnetic, gravity, and geologic surveys were made to permit an estimate of the extent and magnitude of the Iron Mountain, Colorado, titaniferous magnetite deposit" (p. 1). This report includes tables, maps, and illustrations.
Date:
1961
Creator:
Becker, Robert M.; Shannon, S. S., Jr. & Rose, C. K.
System:
The UNT Digital Library
Tertiary Geology and Oil-Shale Resources of the Piceance Creek Basin, Between the Colorado and White Rivers, Northwestern Colorado
From introduction: The greatest known potential oil resource in the world occurs in the oil shale of the Green River formation, and the richest and thickest deposits occur within the area of this report. The purpose of this investigation was to obtain data on the stratigraphic distribution and areal extent of the oil-shale beds and to estimate the potential oil resources in the area.
Date:
1961
Creator:
Donnell, John R.
System:
The UNT Digital Library
Minerals of Colorado: A 100-Year Record
"A summary of the first 100 years of published knowledge, including the chief occurrences of 445 mineral species."
Date:
1961
Creator:
Eckel, Edwin Butt
System:
The UNT Digital Library
Foothills Mine, Idledale District, Jefferson County, Colorado
Discussing the geologic setting of the Foothills Mine, Idledale District, Jefferson County, Colorado
Date:
March 1961
Creator:
Schlottmann, Jerome D.
System:
The UNT Digital Library
Uranium Mining Methods and Costs at Several Mines on the Colorado Plateau
Report issued by the U.S. Bureau of Mines discussing uranium mining costs and methods on the Colorado Plateau. Costs of labor, transportation, and explosives, as well as mining methods and practices used, are presented. This report includes maps, tables, illustrations, and photographs.
Date:
1961
Creator:
Dare, Wilbert Leland
System:
The UNT Digital Library
Sinking a Large-Diameter Concrete-Lined Access Shaft: Harold D. Roberts Tunnel, Colorado
Report issued by the U.S. Bureau of Mines discussing sinking and excavation of large-diameter access shafts. As stated in the introduction, "this information circular describes the application of modern methods and equipment in sinking a vertical, 916-foot-deep by 16-foot-diameter, concrete-lined access shaft for the Harold D. Roberts tunnel near Montezuma, Colo." (p. 1). This report includes maps, tables, illustrations, and photographs.
Date:
1961
Creator:
Bolmer, R. L.
System:
The UNT Digital Library