Search U.S. government technical reports digitized or harvested by TRAIL.
The blast-furnace stock column
Specific heats of gases at high temperatures
A study of the crude oil produced in the Salt Creek field, Wyoming
Calcium sulphate retarders for Portland cement clinker
Safety organizations in Arizona copper mines
Analyses of Kansas coals / [by the U.S. Bureau of Mines].
Petroleum refineries in the United States, January 1, 1929
Flow of Gases Through Beds of Broken Solids
Facts Relating to the Production and Substitution of Manufactured Gas for Natural Gas
Iron Oxide Reduction Equilibria: A Critique from the Standpoint of the Phase Rule and Thermodynamics
Petroleum Refinery Statistics: 1927
Subsidence and Ground Movement in the Copper and Iron Mines of the Upper Peninsula, Michigan
Graphical Terrane Correction for Gravity Gradient
Salvage of Material in the Oil Industry
Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof
Survey of Gravities of Domestic Crudes
Metal-Mine Accidents in the United States During the Calendar Year 1927
Quarry Accidents in the United States During the Calendar Year 1927
Mining soft hematite at mine no. 2 of the Marquette range, Michigan.
Progress in metal mine ventilation
Factors affecting falls of roof and coal
The classification of North American coals
Work of the Holmes Safety Association at Baton Rouge, La.
State regulations governing explosion-proof type electric motors in coal mines
List of permissible mining equipment
Electrical safety inspection :suggestions for mine-safety engineers
Mining practice at Morenci Branch, Phelps Dodge Corporation, Morenci, Ariz.
Survey of gravities of domestic crudes
Some phases of coal-mine ventilation
Safeguarding electrical equipment used in gassy mines :European practice:
Method and cost of mining hard specular hematite on the Marquette range, Michigan
Report of a gas explosion in a rock-dusted mine
Safeguarding electrical equipment used in gassy mines :European practice:
Mining methods at Minas de Matahambre, Matahambre, Pinar del Rio, Cuba
Safeguarding electrical equipment used in gassy mines :European practice:
Hazards in the use of delay-action detonators in coal mines
Mining methods of the Tennessee Copper Company, Ducktown, Tenn.
Mining methods and costs in the Waco district
Safety in mines as affected by first-aid and mine rescue contests