Search U.S. government technical reports digitized or harvested by TRAIL.
Petroleum refineries in the United States, January 1, 1930
Engineering Study of the Seminole Area, Seminole and Pottawatomie Counties, Oklahoma
Methods and Costs of Stripping and Mining at the United Verde Open-Pit Mine, Jerome, Arizona
Coal-Mine Fatalities in the United States, 1928
Metal-Mine Accidents in the United States During the Calendar Year 1928
Quarry Accidents in the United States During the Calendar Year 1928
Petroleum Refinery Statistics: 1928
The National Safety Competition of 1929
Accelerated Laboratory Test for Determination of Slacking Characteristics of Coal
Deposits of titanium-bearing ores :by E.P. Youngman.
Privately owned mine rescue stations
Mining practices, methods, and costs at Mine No. 4 of the Marquette Range, Michigan
Mining methods at the Old Dominion Mine, Globe, Ariz.
Mining practice and methods at the United Verde Extension Mining Company, Jerome, Ariz.
Sillimanite, kyanite, andalusite, and dumortierite
Milling methods and costs of the concentrator of the Magma Copper Co., Superior, Arizona
Safety at the Morenci Branch of the Phelps Dodge Corporation, Morenci, Ariz.
Agglomeration and Leaching of Slimes and Other Finely Divided Ores
Commercial Possibilities of the Texas-New Mexico Potash Deposits
Greensand Bibliography to 1930 (Annotated): with a Chapter on Zeolite Water Softeners
Gas-Lift Method of Flowing Oil Wells: (California Practice)
Innovations in Copper Leaching Employing Ferric Sulphate-Sulphuric Acid
Refining of Light Petroleum Distillates
Reducing accidents from falls of roof in coal mines
Activity of the Holmes Safety Association in reducing accidents in Alabama
Railroad fuel-oil consumption in 1928
Teaching safety through the approval plate
List of permissible mining equipment
Mining methods and costs at the Hecla and Star mines, Burke, Idaho
Mining method and costs at the Utah Copper Co., Bingham Canyon, Utah
Mining methods at the Morning mine of the Federal Mining and Smelting Company, Mullan, Idaho
Safety in Utah coal mining as affected by haulage
Data on metal-mine ventilation in 1929
Mining methods, practices, and costs of the Cananea Consolidated Copper Co., Sonora, Mexico
The work of the United States Bureau of Mines
Mining methods and costs at the Engels Mine, Plumas County, Calif.