Search U.S. government technical reports digitized or harvested by TRAIL.
Origin and petrographic composition of the Lower Sunnyside coal of Utah
Suggested procedure for conducting first-aid and mine rescue contests
Tests of the compressibility and bearing strength of potash salt
Relative value of gypsum and anhydrite as additions to Portland cement
Chemistry of the anhydrous chlorides of chromium :a thermodynamic investigation
West Virginia coal-mine accident costs and data -July 1, 1929 to June 30, 1934
Cooperative fuel research motor-gasoline survey, summer 1937
Federal placer-mining laws and regulations
Flow of air and natural gas through porous media
Metallurgical developments at Mercur, Utah
Flotation for recovery of scheelite from slimed material
Studies pertaining to the catalytic hydrogenation of pyrolytic tars
Notes on the sampling and analysis of coal
Methods for the detection and determination of carbon monoxide
Production of explosives in the United States during the calendar year 1938
Inspection and maintenance of mine hoisting ropes
Experiments on strength of small pillars of coal in the Pittsburgh bed
Burning of coal in down-draft ceramic kilns and burning characteristics of some Ohio coals
Analyses of Pennsylvania bituminous coals
Physical and chemical properties of cokes made or used in Washington