TRAIL - Technical Report Archive and Image Library

Magnetic surveys :Dannemora magnetite district , Clinton County, N.Y.

McCoy iron deposit, Lander County, Nevada

Drum Mountain Manganese Project :Juab County, Utah

Exploration of Fluorite Ridge Fluorspar District, Luna County, N. Mex.

Lincoln County iron deposits, New Mexico

Apex Copper Property, Coconino County, Ariz.

Magnetic surveys :Redford-Clayburg magnetite district, Saranac and Black Brook, Clinton County, New York

Extinction of isobutane flames by carbon dioxide and nitrogen

San Antonio Canyon lead-zinc deposits, Presidio County, Tex.

Diamond drilling and diamond bit investigation

J.D. Price fluorite deposit, Crittenden County, Ky.

A mine air-conditioning chart

Dust problems in the mines of the Pennsylvania anthracite region

Iron deposits, Iron County, Utah

Determination of carbon monoxide by absorption in the Haldane-type gas-analysis apparatus

Diesel equipment in underground mining

German high-temperature coal-tar industry

Approval of newly developed self-contained breathing apparatus, instructions in its care and use, and training procedure

Transportation of iron ore, underground mines, Lake Superior district

Wash and change houses at American mines

Permissible mine equipment approved to January 1, 1947 :with appended list of available flame-lamp fuels

Utilization of natural gas for chemical products

Potash mining in Germany :1945

Diamond drilling blast holes, Balmat Mine, St. Lawrence County, N.Y.

Quantitative estimation of potash and soda feldspars in pegmatite rock by means of chemical coloration :a review of selected literature

Procedure used in fighting and sealing a fire in an Ohio coal mine and recovery of the mine by air-locking methods

Some observations on German coal research and developments

Ventilation involved in the use of gasoline-powered equipment in enclosed spaces :(not in mines or tunnels)

Installation of a model man cage at the Avoca Shaft of the Heidelberg Coal Co., Avoca, Lucerne County, Pa.

Accident experienceiron-ore mines - Lake Superior district 1940-45

Gasification of solid fuels in Germany by the Lurgi, Winkler, and Leuna slagging-type gas-producer processes

Pott-Broche coal-extraction process and plant of Ruhr©·ol G. m. b. H., Bottrop-Welheim, Germany

Permissible mine equipment approved during the calendar year 1947 :supplement to Information Circular 7432

Carbonizing properities of Hill-bed coal from Hickey no. 1 mine on Lookout Mountain, Cherokee County, Ala.

Carbonizing properties of Elkhorn no. 3-bed coal from Wheelwright mine, Floyd County, Ky.

Effects of oxidation upon the carbonizing properties of Pocahontas no. 3- and no. 4-bed coals from Eastgulf, Raleigh County, W. Va.

Preparation characteristics of Maryland coals

Bibliography of Bureau of Mines investigations of coal and its products,1940 to 1945

Active list of permissible explosives and blasting devices approved previous to December 31, 1945 :supplement

United States Fluorspar Co. property, Sierra County, N. Mex.

Coking-coal deposits on Lookout Mountain, DeKalb and Cherokee Counties, Ala.

The farmer zinc-lead prospect, Stevens County, Wash.

Beneficiation of New England beryllium ores

Corundum Hill Mine, Macon County, N.C.

Central Texas (Llano) iron deposits, Llano and Mason Counties, Tex.

Apache Mica Mine, Rio Arriba, N. Mex.

Atwood Copper Group, Lordsburg district, Hidalgo County, N. Mex.

Iron Mountain tungsten deposits, Sierra County, N. Mex.

Bear Trap corundum deposit, Madison County, Mont.

Anderson zinc-lead prospect, Stevens County, Wash.

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