Browse TRAIL Inventories

Phelps Stokes iron deposit :Nye County, Nev.

Chromiferous sand deposits in the Coos Bay area, Coos County, Oreg.

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.

Concentration of carbonate and oxide manganese ores from the vicinity of Tracy, Central California

Beneficiation of oxide and carbonate manganese ores from the Philipsburg District, Granite County, Mont.

Ophir Hill Consolidated Lead-Zinc Mine, Tooele County, Utah

Niggerhead Manganese deposit, Socorro County, N. Mex.

Concentration of oxide manganese ores from the Havasu Lake District, California and Arizona

Washability studies of the Clark and Gholson coal beds at Boothton, Ala.

Sullivan copper mine, Cochise County, Arizona

Valery fluorspar deposit, Pershing County, Nevada

Jones iron deposit, Socorro County, New Mexico

Texas Mica and Feldspar Co. Culberson and Hudspeth counties, Texas

Magnetic surveys :Russian Station magnetite district, Clinton County, New York

Terlingua mercury deposit, Brewster and Presido Counties, Texas

Drilling and sampling with a wagon drill

Aravaipa lead-zinc deposits, Graham County, Ariz.

Old Reliable copper mine, Pinal County, Arizona

Modarelli iron deposit, Eureka County, Nevada

Johnny Bull-Silver Knight lead-zinc property, Cerbat Mountains, Mohave County, Arizona

Fluorite on the Lee Mine property, Hardin County, Illinois

Ellis manganese deposit, Sierra County, New Mexico

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

Limestone as building material

A mine air-conditioning chart

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


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