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  Partner: UNT Libraries Government Documents Department
 Country: United States
 State: Colorado
 Collection: Technical Report Archive and Image Library
Geology and Ore Deposits of the Breckenridge District, Colorado

Geology and Ore Deposits of the Breckenridge District, Colorado

Date: 1911
Creator: Ransome, Frederick Leslie
Description: Study of the geology and ore deposits of the Breckenridge District in Colorado.
Contributing Partner: UNT Libraries Government Documents Department
A Biological Survey of Colorado

A Biological Survey of Colorado

Date: August 17, 1911
Creator: Cary, Merritt
Description: From introduction: "Report based chiefly on the field work prosecuted during 1905, 1906, 1907, and 1909. It is primarily a characterization of the several major distribution areas or life zones."
Contributing Partner: UNT Libraries Government Documents Department
Economic Methods of Utilizing Western Lignites

Economic Methods of Utilizing Western Lignites

Date: November 1915
Creator: Babcock, E. J.
Description: Report issued by the Bureau of Mines over western lignite. The economic use of these lignite deposits is discussed. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite

Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite

Date: November 1915
Creator: Parsons, Charles L.; Moore, R. B.; Lind, S. C. & Schaefer, O. C.
Description: Report issued by the Bureau of Mines discussing extraction and recovery of different ores from carnotite. Equipment and methods for extraction are presented. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Gypsum Products: Their Preparation and Uses

Gypsum Products: Their Preparation and Uses

Date: July 1917
Creator: Stone, Ralph W.
Description: Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Treatment of the Tungsten Ores of Boulder County, Colo.

Treatment of the Tungsten Ores of Boulder County, Colo.

Date: October 1921
Creator: Bonardi, J. P. & Williams, J. C.
Description: Report discussing the the development of milling practice in Boulder County, the ore-dressing methods in use, and the local manufacture of ferrotungsten and tungstic oxide. Figures giving the production of tungsten concentrates in the Boulder district, in the United States, and in the world; data on the buying of tungsten ores; costs of production; and the normal tungsten requirements in this country are presented.
Contributing Partner: UNT Libraries Government Documents Department
Oil-Shale: An Historical, Technical, and Economic Study

Oil-Shale: An Historical, Technical, and Economic Study

Date: July 1922
Creator: Gavin, Martin J.
Description: Report issued by the U.S. Bureau of Mines discussing studies conducted on the development of the oil-shale industry from a historical, technical, and economic perspective. Results of the studies are presented. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
The Bowie-Gavin Process: Its Application to the Cracking of Tars and Heavy Oils, Also to the Recovery of Oil from Oil-Soaked Sands or Shales, or from Oil Shales

The Bowie-Gavin Process: Its Application to the Cracking of Tars and Heavy Oils, Also to the Recovery of Oil from Oil-Soaked Sands or Shales, or from Oil Shales

Date: 1926
Creator: Bowie, C. P.
Description: Technical paper issued by the Bureau of Mines over the Bowie-Gavin process. As stated in the introduction, "this paper describes a process and an apparatus designed to recover oil from such deposits" (p. 1). The results of experiments conducted using this process are discussed. This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Investigations of the Preparation and Use of Lignite, 1918-1925

Investigations of the Preparation and Use of Lignite, 1918-1925

Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
Description: Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Investigations of the Preparation and Use of Lignite, 1918-1925

Investigations of the Preparation and Use of Lignite, 1918-1925

Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
Description: Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
The Gasoline Situation

The Gasoline Situation

Date: March 1926
Creator: Hill, Harry H.
Description: Report issued by the Bureau of Mines discussing the demands on the oil industry due to an increase in automobiles in the United States. Improvements in drilling methods and refinery practices are presented. This report includes a table.
Contributing Partner: UNT Libraries Government Documents Department
Geophysical Prospecting: Some Electrical Methods

Geophysical Prospecting: Some Electrical Methods

Date: 1928
Creator: Eve, A. S. & Keys, D. A.
Description: Technical paper issued by the Bureau of Mines over experiments in electrical methods. The methods and equipment used are presented and described. This paper includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Shorter Contributions to General Geology, 1928

Shorter Contributions to General Geology, 1928

Date: 1929
Creator: Mendenhall, W. C.
Description: From introduction: The district discussed in this report embraces the entire northern peninsula of Michigan and the parts of northern Wisconsin and northeastern Minnesota that were covered by a re-advance of the Superior lobe of the Labrador ice sheet late in the Wisconsin stage of glaciation.
Contributing Partner: UNT Libraries Government Documents Department
Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof

Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof

Date: April 1929
Creator: Paul, James Washington
Description: Report issued by the U.S. Bureau of Mines over state mine inspection reports from 19 U.S. states. The information in the reports includes details of accidents, locations that specific accidents occurred, and proposed remedies for prevention of future accidents. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Shorter Contributions to General Geology, 1929

Shorter Contributions to General Geology, 1929

Date: 1930
Creator: Mendenhall, W. C.
Description: From introduction: This report describes the deposits of analcite in the Green River formation, to compare them with other similar deposits, and to present them with other similar deposits, and to present the observations and inferences that led him to explain them as alteration products of volcanic ash that fell into an ancient saline lake. The report also records the occurrence of several thin beds of sepiolite, or meerschaum, in the Green River formation and presents new data on the molds of saline minerals of the Green River formation whose determination affects directly the interpretation of the analcite and sepiolite deposits.
Contributing Partner: UNT Libraries Government Documents Department
Properties of Crude Oil From the Greasewood Flat Area in Colorado

Properties of Crude Oil From the Greasewood Flat Area in Colorado

Date: May 1932
Creator: Rue, H. P.
Description: Report issued by the U.S. Bureau of Mines on two samples of crude oil collected from the Greasewood Flat area of northwestern Colorado. These samples were analyzed for many characteristics, and an approximate summary of those characteristics are presented. The report contains two tables of data.
Contributing Partner: UNT Libraries Government Documents Department
Shorter Contributions to General Geology, 1936

Shorter Contributions to General Geology, 1936

Date: 1940
Creator: Loughlin, G. F.
Description: From abstract: This report describes four species of Ostreidae from the Upper Cretaceous of the Gulf region. The zones that the species characterize lie either in the upper part of the Austin chalk or in beds of upper Austin age.
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Date: November 1941
Creator: Fieldner, Arno Carl & Schmidt, L. D.
Description: Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Contributing Partner: UNT Libraries Government Documents Department
Shorter Contributions to General Geology, 1941-42

Shorter Contributions to General Geology, 1941-42

Date: 1942
Creator: Geological Survey (U.S.)
Description: Preface: The author of this paper gives a thorough description of a complex of very unusual igneous rocks and associated hydrothermal deposits.
Contributing Partner: UNT Libraries Government Documents Department
Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Date: August 1942
Creator: Parry, V. F. & Landers, W. S.
Description: Report issued by the U.S. Bureau of Mines on sub-bituminous slack from Denver, Colorado. The characteristics and properties of 2-1/2 inch slack samples are listed. This report includes tables, graphs, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Some Haulage and Hoisting Hazards in Western Mines

Some Haulage and Hoisting Hazards in Western Mines

Date: December 1942
Creator: Denny, E. H. & Humphrey, H. B.
Description: Report issued by the U.S. Bureau of Mines discussing safety hazards in western mines. Mine hoisting and haulage accidents are presented. Accident prevention is also discussed. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Trends in the Use of Energy in the Western States, With Particular Reference to Coal

Trends in the Use of Energy in the Western States, With Particular Reference to Coal

Date: January 1943
Creator: Parry, V. F.
Description: Report issued by the U.S. Bureau of Mines on energy consumption in the western United States. A focus on coal as the primary energy source is presented. This report includes tables, graphs, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Briquetting Subbituminous Coal

Briquetting Subbituminous Coal

Date: June 1943
Creator: Parry, V. F. & Goodman, John B.
Description: Report issued by the Bureau of Mines over briquetting of coal for development of more effective fuel. Materials, equipment, and processes are discussed. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Loss of Life Among Wearers of Oxygen Breathing Apparatus

Loss of Life Among Wearers of Oxygen Breathing Apparatus

Date: April 1944
Creator: Grove, G. W.
Description: Report issued by the U.S. Bureau of Mines discussing fatalities of mine workers while wearing self-contained oxygen breathing apparatuses. Descriptions of the circumstances surrounding the deaths of 26 workers are presented. This report includes a table.
Contributing Partner: UNT Libraries Government Documents Department
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