History of Premium Price Plan for Copper, Lead, and Zinc: 1942-47 (open access)

History of Premium Price Plan for Copper, Lead, and Zinc: 1942-47

Report issued by the U.S. Bureau of Mines discussing the Premium Price Plan of copper, lead, and zinc. The Premium Price Plan is described, and cost and production data is presented. This report includes tables, and illustrations
Date: January 1950
Creator: Olund, H. E. & Gustavson, S. A.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Fergus County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Fergus County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Fergus County, Montana. History, geology, and mineral production of the Fergus County mines are presented. This report includes tables, and maps.
Date: January 1950
Creator: Robertson, Almon F.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Meagher County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Meagher County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Meagher County, Montana. History, geology, and mineral production of the Meagher County mines are presented. This report includes tables, and maps.
Date: January 1950
Creator: Roby, Robert N.
System: The UNT Digital Library
Mining Methods and Practices at the Iron King Mine, Shattuck-Denn Mining Corporation, Yavapai County, Arizona (open access)

Mining Methods and Practices at the Iron King Mine, Shattuck-Denn Mining Corporation, Yavapai County, Arizona

Report issued by the U.S. Bureau of Mines discussing mining methods in Arizona mines. As stated in the introduction, "this paper describes mining operations at the Iron King mine of the Shattuck-Denn Mining Corp. in Yavapai County, Ariz." (p. 2). This report includes tables, maps, illustrations, and photographs.
Date: January 1950
Creator: Kumke, Charles A. & Mille, H. F.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Park County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Park County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Park County, Montana. History, geology, and mineral production of the Park County mines are presented. This report includes tables, and maps.
Date: February 1950
Creator: Reed, Glenn C.
System: The UNT Digital Library
Fuel-Burning Equipment Dimensions Required by Smoke-Abatement Ordinances (open access)

Fuel-Burning Equipment Dimensions Required by Smoke-Abatement Ordinances

Report issued by the U.S. Bureau of Mines discussing smoke prevention from fuel-burning equipment. Fuel-burning equipment plans and requirements are presented. This report includes tables, and illustrations.
Date: March 1950
Creator: Barkley, J. F. & Morgan, R. E.
System: The UNT Digital Library
Reconnaissance of Metal Mining in the San Juan Region: Ouray, San Juan, and San Miguel Counties, Colorado (open access)

Reconnaissance of Metal Mining in the San Juan Region: Ouray, San Juan, and San Miguel Counties, Colorado

Report issued by the U.S. Bureau of Mines discussing metal mines in Colorado. As stated in the summary, "this paper describes the mineral deposits and discusses mining and milling methods and related operating conditions in an important gold, silver, lead, and zinc producing area in Ouray, San Juan, and San Miguel Counties, Colo., embracing 250 square miles" (p. 5). This report includes tables, maps, and illustrations.
Date: March 1950
Creator: King, William H. & Allsman, Paul T.
System: The UNT Digital Library
Extinguishing Fire with Carbon Dioxide in the Valier Mine, Valier Coal Company, Valier, Franklin County, Illinois (open access)

Extinguishing Fire with Carbon Dioxide in the Valier Mine, Valier Coal Company, Valier, Franklin County, Illinois

Report issued by the U.S. Bureau of Mines discussing mining fires, and the use of carbon dioxide as fire control. As stated in the introduction, "the purpose of this circular is to describe the sealing off of a mine fire and subsequent use of carbon dioxide gas to extinguish it" (p. 2). This report includes tables, and illustrations.
Date: April 1950
Creator: Westfield, James; Brumbaugh, H. C. & Whittaker, R. W.
System: The UNT Digital Library
Fighting a Fire in Number 59 Mine, Peabody Coal Company, Springfield, Sangamon County, Illinois (open access)

Fighting a Fire in Number 59 Mine, Peabody Coal Company, Springfield, Sangamon County, Illinois

Report issued by the U.S. Bureau of Mines discussing an electrical fire in the No. 59 mine in Springfield, Illinois. Details surrounding the fire are presented. This report includes tables, maps, and illustrations.
Date: April 1950
Creator: O'Connor, J. A.; Malesky, J. S. & Higgins, T. C.
System: The UNT Digital Library
Burning Wood Waste for Commercial Heat and Power (open access)

Burning Wood Waste for Commercial Heat and Power

Report issued by the U.S. Bureau of Mines discussing wood waste that is used for commercial heat and power. The development of wood burning equipment is presented. This report includes tables, illustrations, and photographs.
Date: September 1950
Creator: Barkley, J. F. & Morgan, R. E.
System: The UNT Digital Library
Energy Uses and Supplies, 1939, 1947, 1965 (open access)

Energy Uses and Supplies, 1939, 1947, 1965

Report issued by the U.S. Bureau of Mines discussing specific energy uses during the years of 1939, 1947, and 1965. As stated in the subject, "this is a summary of preliminary results of an exploratory study if energy uses and supplies in the United States" (p. 2). This report includes tables, and illustrations.
Date: October 1950
Creator: Barnett, Harold J.
System: The UNT Digital Library
Carbon Dioxide Content of Mine-Fire Atmospheres as an Aid when Fighting Metal-Mine Fires (open access)

Carbon Dioxide Content of Mine-Fire Atmospheres as an Aid when Fighting Metal-Mine Fires

Report issued by the U.S. Bureau of Mines discussing mine fires, and methods for controlling and extinguishing them. As stated in the purpose, "the purpose of this report is to show briefly how to utilize the trend of the carbon dioxide content of the mine-fire atmospheres to fight metal-mine fires" (p. 4). This report includes tables, and illustrations.
Date: December 1950
Creator: Ash, S. H.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Cascade County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Cascade County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Cascade County, Montana. History, geology, and mineral production of the Cascade County mines are presented. This report includes tables, and maps.
Date: February 1951
Creator: Robertson, Almon F.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Broadwater County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Broadwater County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Broadwater County, Montana. History, geology, and mineral production of the Broadwater County mines are presented. This report includes tables, and maps.
Date: April 1951
Creator: Reed, Glenn C.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Judith Basin County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Judith Basin County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Judith Basin County, Montana. History, geology, and mineral production of the Judith Basin County mines are presented. This report includes tables, illustrations, and maps.
Date: June 1951
Creator: Robertson, Almon F. & Roby, Robert N.
System: The UNT Digital Library
Petroleum Refineries, Including Cracking Plants, in the United States, January 1, 1951 (open access)

Petroleum Refineries, Including Cracking Plants, in the United States, January 1, 1951

Report issued by the U.S. Bureau of Mines discussing the petroleum refineries in the United States during 1951. Locations and crude-oil capacities of the refineries are presented. This report includes tables, and a map.
Date: July 1951
Creator: Kirby, J. G.
System: The UNT Digital Library
Control of Metallurgical and mineral dusts and fumes in Los Angeles County, California (open access)

Control of Metallurgical and mineral dusts and fumes in Los Angeles County, California

Report issued by the U.S. Bureau of Mines discussing metallurgical and mineral fumes and dusts in Los Angeles County, California. Properties of dusts and fumes from different minerals are presented. This report includes tables, maps, illustrations, and photographs.
Date: April 1952
Creator: Allen, Glenn L.; Viets, Floyd H. & McCabe, Louis C.
System: The UNT Digital Library
Mechanical Mining in Some Bituminous-Coal Mines: Progress Report 6. Extraction of Pillars with Mechanized Equipment (open access)

Mechanical Mining in Some Bituminous-Coal Mines: Progress Report 6. Extraction of Pillars with Mechanized Equipment

Report issued by the U.S. Bureau of Mines discussing mechanical mining processes in bituminous coal mines. As stated in the introduction, "this is the sixth of a series of publications that describe methods and practices in mining coal mechanically" (p. 1). This report includes tables, and illustrations.
Date: April 1952
Creator: Haley, Wilbur A.; Shields, Joseph J.; Toenges, Albert L. & Turnbull, Louis A.
System: The UNT Digital Library
Thickness of Bituminous-Coal and Lignite Seams at All Mines and Thickness of Overburden at Strip Mines in the United States in 1950 (open access)

Thickness of Bituminous-Coal and Lignite Seams at All Mines and Thickness of Overburden at Strip Mines in the United States in 1950

Report issued by the U.S. Bureau of Mines discussing bituminous-coal and lignite seams, and overburden of strip mines during 1950. Descriptions of the seams and strip mines are presented. This report includes tables, maps, and illustrations.
Date: September 1952
Creator: Young, W. H. & Anderson, R. L.
System: The UNT Digital Library
Ventilating Practices that Minimize Explosion Hazards in Bituminous-Coal Mines (open access)

Ventilating Practices that Minimize Explosion Hazards in Bituminous-Coal Mines

Report issued by the U.S. Bureau of Mines discussing mine ventilation designed to reduce explosion hazards. As stated in the scope and purpose of study, "this circular is intended to present important recommended practices that are necessary to minimize the possibilities of methane accumulations in coal mine and reduce the chances of ignitions from electrical sources" (p. 1). This report includes illustrations.
Date: September 1952
Creator: Ankeny, M. J.; Westfield, James & Kingery, D. S.
System: The UNT Digital Library
Accepted Limit Values of Air Pollutants (open access)

Accepted Limit Values of Air Pollutants

Report issued by the U.S. Bureau of Mines discussing, as stated in the introduction, the "accepted maximum permissible concentrations of air pollutants from the standpoints of health, damage to vegetation, damage to property, and requirements of industrial processes" (p. 1). This report includes tables.
Date: May 1954
Creator: Barkley, J. F.
System: The UNT Digital Library
Names and Definitions of Regions, Districts, and Subdistricts in Alaska: Used by the Bureau of Mines in Statistical and Economic Studies Covering the Mineral Industry of the Territory (open access)

Names and Definitions of Regions, Districts, and Subdistricts in Alaska: Used by the Bureau of Mines in Statistical and Economic Studies Covering the Mineral Industry of the Territory

Report issued by the U.S. Bureau of Mines discussing the development of a naming system for Alaskan regions and districts. The structure of the naming system and a description of each district are presented. This report includes maps.
Date: May 1954
Creator: Ransome, Alfred L. & Kerns, William H.
System: The UNT Digital Library
Chrysotile-Asbestos Deposits of Arizona (open access)

Chrysotile-Asbestos Deposits of Arizona

Report issued by the U.S. Bureau of Mines discussing asbestos mining and production in Arizona. As stated in the summary, "this paper describes most of the chrysotile-asbestos deposits of Arizona. Mining methods are discussed briefly and asbestos-mill flowsheets are incorporated" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: January 1955
Creator: Stewart, L. A.
System: The UNT Digital Library
Ringelmann Smoke Chart (Revision of I.C. 6888) (open access)

Ringelmann Smoke Chart (Revision of I.C. 6888)

Revised report discussing the Ringelmann Smoke Chart, describing the history and background of the chart, its use, and how to read it.
Date: August 1955
Creator: Burdick, L. R. & Kudlich, Rudolph
System: The UNT Digital Library