Search U.S. government technical reports digitized or harvested by TRAIL.
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
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.
Metallurgical Limestone: Problems in Production and Utilization
Drilling and Blasting in Metal-Mine Drifts and Crosscuts
Inspection and Testing of Mine-Type Electrical Equipment for Permissibility
Tests of Strength of Roof Supports Used in Anthracite Mines of Pennsylvania
Hazards from low or under voltage
Distillation-amalgamation methods for the technical determination of mercury in ores
Survey of fuel-oil distribution :central United States : 1928
Method and cost of mining the Pittsburgh, or no. 8, coal bed in four eastern Ohio mines
Methods of some progressive mining companies in placing responsibility for mine accidents
Present-day knowledge of the chemical constitution of coal
State regulations governing the use of trolley wires in mines