Search U.S. government technical reports digitized or harvested by TRAIL.
Mining and milling tungsten ores
Questions and answers on first-aid training
Review of literature on effects of breathing dusts with special reference to silicosis.
Microscopic and petrographic studies of certain American coals,
Flame-arresting limitations of flat joints and plain bearings in explosion-proof mine equipment
A study of mine roof of the coking district of Western Pennsylvania
Reduction of evaporation losses from gasoline bulk-storage stations
Mining methods and costs at the mine of the St. Joseph Lead Co., Atlanta, Idaho
Coal-mine explosions and fires in the United States during the fiscal year ended June 30, 1934
List of permissible mine equipment
Asbestos - general information
Bituminous coal-mine safety-inspection outline
Essentials in developing and financing a prospect into a mine
Review of literature on effects of breathing dusts with special reference to silicosis.
Procedure for testing explosives for acceptability for use in forest service work
Placer-mining methods of E.T. Fisher Co., Atlantic City, Wyo.
Review of literature on effects of breathing dusts with special reference to silicosis.
List of standard starters available to prospective builders of permissible outfits
Petroleum refineries, including cracking plants, in the United States, January 1, 1935
Mining methods and costs at the Eureka Standard mine
Induction prospecting for shallow ore deposits and small metallic objects
Accident costs and safety dividends
Tabular index of Bureau of Mines Information Circulars on mining and milling methods
Accident experience and direct costs in some Colorado coal mines, 1929-33
Accident experience and cost in California metal mines
Some observations as to safety hazards in 47 northern Colorado subbituminous coal mines
Falls of coal and rock on man-trips in bituminous-coal mines
Accidents in Tennessee coal mines
Electric cap lamps in Alabama mines, 1935
Blasting practices and explosives accidents in Utah coal mines
Review of literature on effects of breathing dusts with special reference to silicosis.
Maintaining the permissibility of electric cap lamps
The Joseph A. Holmes safety association and its awards
Minor mineral fertilizer materials
Summary of drifting and crosscutting cost data
Recent trends in design and construction of copper concentrators in the Southwest