Search U.S. government technical reports digitized or harvested by TRAIL.
Work of the Holmes Safety Association in the state of Washington
Recommendation for safety in coal mining relating to placing mine haulage in intake air
Selected bibliography of minerals and their identification
Explosions and other accidents from mudcapped shots in coal mines
Effect of a bonus on the accident record of the Southwestern Portland Cement Co.
Design and operation of gas-well siphons
Accidents at metallurgical works in the United States :during the calendar year 1927
Classification and tabling of difficult ores :with particular attention to fluorspar
Factors governing removal of soluble copper from leached ores
Coke-oven accidents in the United States :during the calendar year 1927
Geophysical investigations at Caribou, Colo.
Roasting of lead-carbonate ores preliminary to gravity concentration
Falls of roof in bituminous coal mines :influence of the seasons and rate of production
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.