The Flathead Tunnel: A Geologic, Operations, and Ground Support Study, Burlington Northern Railroad, Salish Mountains, Montana (open access)

The Flathead Tunnel: A Geologic, Operations, and Ground Support Study, Burlington Northern Railroad, Salish Mountains, Montana

Report issued by the U.S. Bureau of Mines discussing the Flathead Tunnel in Montana. As stated in the introduction, "this information circular is a Bureau of Mines review of tunneling practices typical of the late 1960's. The report provides reference to all pertinent data related to the geology, mining operations, and ground support practices for the Flathead Tunnel" (p. 2). This report includes maps, tables, illustrations, and photographs.
Date: 1974
Creator: Skinner, Eugene H.
System: The UNT Digital Library
Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana (open access)

Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana

Report issued by the Bureau of Mines regarding the chromite deposits in Stillwater and Sweetgrass counties. Characteristics of the chromite samples are presented. This report includes tables, maps, and illustrations.
Date: December 1948
Creator: Wimmler, Norman L.
System: The UNT Digital Library
Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana (open access)

Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana

Report issued by the Bureau of Mines over base-metal testing conducted in Granite County, Montana. Descriptions of the deposits, geology, and the factual data obtained during testing are presented. This report includes tables, maps, and illustrations.
Date: February 1949
Creator: Cole, John W.
System: The UNT Digital Library
Investigation of the Sheep Creek Iron Deposits Meagher County, Montana (open access)

Investigation of the Sheep Creek Iron Deposits Meagher County, Montana

Report issued by the Bureau of Mines regarding studies conducted on iron deposits located in Meagher County, Montana. As noted in the introduction, "details of geology, sampling, and beneficiation tests are presented in this report" (p. 1). This report includes tables, maps, and illustrations.
Date: January 1949
Creator: Reed, Glenn C.
System: The UNT Digital Library
Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana (open access)

Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana

Report issued by the Bureau of Mines over studies conducted on molybdenum deposits in the Neihart District of Cascade County. As stated in the introduction, "this report describes the deposit, presents the factual data obtained from the sampling and core-drilling operations, and summarizes the results of the metallurgical studies" (p. 2). This report includes tables, maps, and illustrations.
Date: February 1949
Creator: Herdlick, J. A.
System: The UNT Digital Library
Investigation of Whiteware Clay Deposit, Fergus County, Montana (open access)

Investigation of Whiteware Clay Deposit, Fergus County, Montana

Report issued by the Bureau of Mines over studies conducted on the Whiteware clay deposit. As stated in the introduction, "this report presents the factual data obtained by the investigation, which also includes data on trenching and drilling, and the results of some refractory tests and chemical analyses of representative samples of the clay later taken from some of the best trench exposures and from adit dumps" (p. 1-2). This report includes tables, maps, and illustrations.
Date: March 1949
Creator: Roby, R. N. & Robertson, Almon F.
System: The UNT Digital Library
Investigation of Manganese Deposits in the Philipsburg Mining District, Granite County, Montana (open access)

Investigation of Manganese Deposits in the Philipsburg Mining District, Granite County, Montana

Report issued by the U.S. Bureau of Mines on the manganese deposits near Granite County, Montana. It reviews the mining history and geology of the Philipsburg district. The report includes maps and tables.
Date: October 1950
Creator: Lorain, S. H.
System: The UNT Digital Library
Variable Characteristics of the Oil in the Tensleep Sandstone Reservoir, Elk Basin Field, Wyoming and Montana (open access)

Variable Characteristics of the Oil in the Tensleep Sandstone Reservoir, Elk Basin Field, Wyoming and Montana

Report issued by the U.S. Bureau of Mines on the characteristics of oil obtained from the Tensleep Sandstone Reservoir. The samples collected are analyzed for physical characteristics and presented in tables and graphs. The report also includes a map.
Date: April 1951
Creator: Espach, Ralph H. & Fry, Joseph
System: The UNT Digital Library
Beneficiation of Chromite Ores From Western United States (open access)

Beneficiation of Chromite Ores From Western United States

Report issued by the U.S. Bureau of Mines on the sampling of chrome ore deposits in the western United States. Physical properties of the samples collected are presented. This report includes tables.
Date: June 1947
Creator: Batty, J. V.; Mitchell, T. F.; Havens, R. & Wells, R. R.
System: The UNT Digital Library
Trends in the Use of Energy in the Western States, With Particular Reference to Coal (open access)

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

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.
Date: January 1943
Creator: Parry, V. F.
System: The UNT Digital Library
Tungsten Resources of Montana: Deposits of the Mount Torrey Batholith, Beaverhead County (open access)

Tungsten Resources of Montana: Deposits of the Mount Torrey Batholith, Beaverhead County

Report issued by the Bureau of Mines over the tungsten deposits on Beaverhead County, Montana. As stated in the introduction, "this report presents information obtained from July 1955 to September 1957 on tungsten deposits in and near the Mount Torrey batholith" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: 1960
Creator: Pattee, Eldon C.
System: The UNT Digital Library
Reduction Mills in Montana in 1925 (open access)

Reduction Mills in Montana in 1925

List of reduction mills in Montana, compiled in the course of investigations of mineral resources of Montana. It includes information about each loaction including: the process, character of ore, when the mill was operated, and custom work; equipment and power used; and capacity in tons.
Date: March 1927
Creator: Gerry, C. N.
System: The UNT Digital Library
Low-Temperature Carbonization Assays of North American Coals (open access)

Low-Temperature Carbonization Assays of North American Coals

Report issued by the Bureau of Mines over studies conducted on low-temperature carbonization of coal. Methods and results of the studies are presented and discussed. This report includes tables, illustrations, and photographs.
Date: 1957
Creator: Selvig, W. A. & Ode, W. H.
System: The UNT Digital Library
Investigations of the Preparation and Use of Lignite, 1918-1925 (open access)

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

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.
Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
System: The UNT Digital Library
Investigations of the Preparation and Use of Lignite, 1918-1925 (open access)

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

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.
Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
System: The UNT Digital Library
Economic Methods of Utilizing Western Lignites (open access)

Economic Methods of Utilizing Western Lignites

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.
Date: November 1915
Creator: Babcock, E. J.
System: The UNT Digital Library
Tungsten Resources of Montana: Deposits of the Philipsburg Batholith, Granite and Deer Lodge Counties (open access)

Tungsten Resources of Montana: Deposits of the Philipsburg Batholith, Granite and Deer Lodge Counties

Report issued by the Bureau of Mines over tungsten deposits of Montana. Details of the different deposits throughout the region are presented. This report includes tables, maps, and illustrations.
Date: 1960
Creator: Walker, David D.
System: The UNT Digital Library
Lead-Zinc Deposits of the Dunkleberg District, Granite County, Montana (open access)

Lead-Zinc Deposits of the Dunkleberg District, Granite County, Montana

Report issued by the Bureau of Mines over studies conducted on lead-zinc deposits of Montana. The results of the studies are presented. This report includes tables, maps, and illustrations.
Date: December 1953
Creator: Popoff, C. C.
System: The UNT Digital Library
Production and Briquetting of Carbonized Lignite (open access)

Production and Briquetting of Carbonized Lignite

From Introduction: "The Bureau of Mines since its establishment has always taken an active interest in the utilization of lignite and in the development of the lignite deposits of the United States. Extensive lignite fields occur in the west central States, notably in North Dakota, Montana, Wyoming, Colorado, and Texas; there are smaller areas in several other Sates, some of which are widely separated."
Date: 1923
Creator: Babcock, E. J. & Odell, W. W.
System: The UNT Digital Library
Review of Safety and Health Conditions in the Mines at Butte (open access)

Review of Safety and Health Conditions in the Mines at Butte

From Introduction: "This review of safety and health conditions in the mines of Butte, Mont., is prepared from data gathered during the period 1916 to 1924, inclusive, chiefly by Daniel Harrington, who was until recently supervising mining engineer of the Bureau of Mines."
Date: 1925
Creator: Rice, G. S. & Sayers, R. R.
System: The UNT Digital Library
Resistance of Metal-Mine Airways (open access)

Resistance of Metal-Mine Airways

From Introduction: "This report describes the methods used and the results obtained in a series of experiments on the resistance that metal-mine airways offer to the flow of air."
Date: 1927
Creator: McElroy, G. E. & Richardson, A. S.
System: The UNT Digital Library
Asbestos (open access)

Asbestos

From Introduction: "This report covers the essential features of the asbestos industry, including occurrence, production, mining, milling, utilization, international trade, and marketing."
Date: 1937
Creator: Bowles, Oliver
System: The UNT Digital Library
Analyses of Tipple and Delivered Samples of Coal: (Collected During the Fiscal Years 1948 to 1950 Inclusive) (open access)

Analyses of Tipple and Delivered Samples of Coal: (Collected During the Fiscal Years 1948 to 1950 Inclusive)

From Forward: "This bulletin is the first of a new series, which includes analyses of only tipple and delivered coal. It covers samples collected throughout the United States from July 1, 1947 to June 30, 1950 (fiscal years 1948-50). It is planned that future publications of this series will cover a period of one fiscal year only and be issued as soon as possible after June 30 of each year."
Date: 1953
Creator: Snyder, N. H. & Aresco, S. J.
System: The UNT Digital Library
Oilfields in the Williston Basin in Montana, North Dakota, and South Dakota (open access)

Oilfields in the Williston Basin in Montana, North Dakota, and South Dakota

From Introduction: "This report describes the development of the petroleum industry in the United States portion of the Williston basin."
Date: 1966
Creator: Hamke, J. R.; Marchant, L. C. & Cupps, C. Q.
System: The UNT Digital Library