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Minerals of Colorado: A 100-Year Record

Description: 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.
Partner: UNT Libraries Government Documents Department
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Study of Remote Military Power Applications: Report 5, NORAD

Description: From introduction: The study is essentially an economic evaluation of the construction and operation of nuclear power plants at several designated military installations where increased power generating capabilities of 5 to 40 mwe may be required by the Government during the period 1963 through 1970.
Date: July 1960
Partner: UNT Libraries Government Documents Department
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Yampa Canyon in the Uinta Mountains Colorado

Description: From purpose of the report: A detailed office study of modern topographic and geologic maps and aerial photographs of Yampa Canyon and its environs in the Uinta Mountains.
Date: 1962
Creator: Sears, Julian D.
Partner: UNT Libraries Government Documents Department
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Geology of the Hot Sulphur Springs quadrangle, Grand County, Colorado

Description: Scope and Purpose of Work: The quadrangle was mapped as part of the U.S. Geological Survey program of classifying and evaluating lands in the Public Domain. Mineral rights for coal had been retained in parts or all of Tps. 2 and 3 N., Rs. 77, 78, and 79 W. These areas are in part underlain by sedimentary rocks of Late Cretaceous(?) and early Tertiary age (Middle Park Formation), and in North Park these rocks are called the Coalmont Formation and contain coal. The chief purpose of the work was t… more
Date: 1968
Creator: Izett, Glen Arthur
Partner: UNT Libraries Government Documents Department
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Hyatt Rach Pegmatite, Larimer County, Colorado

Description: Report issued by the Bureau of Mines over studies conducted on Larimer County pegmatite deposits. Descriptions of the deposits are presented. This report includes tables, maps, photographs, and illustrations.
Date: 1960
Creator: Gilkey, Millard M.
Partner: UNT Libraries Government Documents Department
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Iron Mountain Titaniferous Magnetite Deposits, Fremont County, Colorado

Description: 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.
Partner: UNT Libraries Government Documents Department
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Oxidized Zinc Deposits of the United States: Part 3. Colorado

Description: From abstract: Deposits of oxidized zinc ore are widely distributed in the western part of Colorado in the Rocky Mountains west of the Front Range and in the uplifted plateaus that border the main area of the Colorado Plateau. The principal production and reserves are restricted to several mining districts--Leadville. Aspen, Monarch, Spring Creek. Horseshoe, Tomichi, Tincup, and Rico--in all of which limestone and dolomites of Paleozoic age are the main host rocks. One deposit, that of the Seda… more
Date: 1964
Creator: Heyl, Allen V.
Partner: UNT Libraries Government Documents Department
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Geology and Fluorspar Deposits, Northgate District, Colorado

Description: From abstract: The fluorspar deposits in the Northgate district, Jackson County, Colo., are among the largest in Western United States. The mines were operated intermittently during the 1920's and again during World War II, but production during these early periods of operation was not large. Mining was begun on a larger scale in 1951, and the district has assumed a prominent position among the fluorspar producers in the United States. Within the Northgate district, Precambrian metamorphic and … more
Date: 1960
Creator: Steven, Thomas August
Partner: UNT Libraries Government Documents Department
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Areal Geology of the Little Cone Quadrangle, Colorado

Description: From abstract: The Little Cone quadrangle includes an area of about 59 square miles in eastern San Miguel County in southwestern Colorado. The quadrangle contains features characteristic of both the Colorado Plateaus physiographic province and the San Juan Mountains, and it has been affected by geologic events and processes of two different geologic environments.
Date: 1960
Creator: Bush, Alfred Lerner; Marsh, Owen Thayer & Taylor, Richard B.
Partner: UNT Libraries Government Documents Department
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Tertiary Geology and Oil-Shale Resources of the Piceance Creek Basin, Between the Colorado and White Rivers, Northwestern Colorado

Description: 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.
Partner: UNT Libraries Government Documents Department
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USAEC Airborne Radiometric Reconnaissance in Arkansas, Colorado, Montana, Texas and Utah, 1952 to 1955

Description: From introduction: This is one of a series of three reports on airborne radioactivity surveys in the United States. The reports contain the 185 airborne anomaly maps issued by the U. S. Atomic Energy Commission as a result of the AEC's aerial surveying program conducted from March 1952 to June 1956; two ground reconnaissance maps of Utah also are included. Most of the reconnaissance was done in the western United States.
Date: August 1966
Creator: U.S. Atomic Energy Commission. Grand Junction Office.
Partner: UNT Libraries Government Documents Department
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Minerals of Colorado: A 100-Year Record

Description: "A summary of the first 100 years of published knowledge, including the chief occurrences of 445 mineral species."
Date: 1961
Creator: Eckel, Edwin Butt
Partner: UNT Libraries Government Documents Department
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Preliminary report on Bureau of Mines Yellow Creek corehole no. 1, Rio Blanco County, Colorado

Description: Analysis of geologic, hydrologic, and geophysical data obtained in and around Yellow Creek core hole No. 1, Rio Blanco County, Colorado, indicate a 1,615-foot section of oil shale was penetrated by the hole. Geophysical log data indicate the presence of 25 gallons per ton shale for a thickness of 500 feet may be marginal. The richest section of oil shale is indicated to be centered around a depth of 2,260 feet. Within the oil shale the interval 1,182 to 1,737 feet is indicated to be relatively … more
Date: March 1967
Creator: Carroll, Roger D.; Coffin, D. L.; Ege, John R. & Welder, Frank A.
Partner: UNT Libraries Government Documents Department
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Oil-Shale Mining, Rifle, Colorado, 1944-56

Description: From Introduction: "Detailed reports on various phases of the oil-shale mining research program have been published by the Bureau of Mines as Reports of Investigations, and numerous articles prepared by the mine staff have been published in the technical press. Summarizes of some of these publications are included in this report with other information not previously published."
Date: 1964
Creator: East, J. H., Jr. & Gardner, E. D.
Partner: UNT Libraries Government Documents Department
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Microwave Spectral Tables: [Volume 1.] Diatomic Molecules

Description: From Abstract: "For about 1500 spectral lines of diatomic molecules observed by coherent radiation techniques, measured frequencies, assigned quantum numbers, and newly computed intensities are given."
Date: December 1, 1964
Creator: Wacker, Paul F.; Mizushima, Masataka; Peterson, Jean D. & Ballard, Joe R.
Partner: UNT Libraries Government Documents Department
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Uranium Mining Methods and Costs at Several Mines on the Colorado Plateau

Description: 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
Partner: UNT Libraries Government Documents Department
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Sinking a Large-Diameter Concrete-Lined Access Shaft: Harold D. Roberts Tunnel, Colorado

Description: 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.
Partner: UNT Libraries Government Documents Department
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