Search U.S. government technical reports digitized or harvested by TRAIL.
Perforated casing and screen pipe in oil wells
Accidents at metallurgical works in the United States during the calendar years 1918
Effects of gasoline removal on the heating value of natural gas
Quarry accidents in the United States during the calendar year 1918
Use of stenches as a warning in mines
Accident prevention in the mines of Butte, Montana
Coke-oven accidents in the United States during the calendar year 1919
Development of liquid oxygen explosives during the war
Stenches for detecting leakage of blue water gas and natural gas
Metal-mine accidents in the United States during the calendar year 1918
The properties of some stoneware clays
Indicators for carbon dioxide and oxygen in air and flue gas
Blasting granite with compressed air
Factors in determining the gasoline content in natural gas by the absorption method
Stench warnings in metal mines
Talc mining and milling at Madoc, Ontario
Waste and correct use of natural gas in the home,
State mining laws on the use of electricity in and about coal mines
Recovery of gold from black sand by classifier concentration
The mining and preparation of Tripoli
Comparison of methods of gold recovery from black sand
Recovery of Gold from Black Sand Tailings
Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations
Educational Agencies in Mining Communities
Abstracts of Current Decisions on Mines and Mining: May to August, 1919
The Manufacture of Sulphuric Acid in the United States
Approved Explosion-Proof Coal-Cutting Equipment
Extinguishing and Preventing Oil and Gas Fires
Casing Troubles and Fishing Methods in Oil Wells
Pennsylvania Mining Statutes Annotated
A Glossary of the Mining and Mineral Industry
Mining and Preparing Domestic Graphite for Crucible Use