Search U.S. government technical reports digitized or harvested by TRAIL.
Coal as a source of electrode carbon in aluminum production
Investigation of Tombstone District manganese deposits, Conchise County, Ariz.
Zirconium: Its Production and Properties
Mineral Facts and Problems, 1956
Outlook and Research Possibilities for Bituminous Coal
A study of the air and rock vibrations produced by impact testing of mine roof
Manganese resources of the Batesville district, Ark. :interim report 1
Analyses of tipple and delivered samples of coal :collected during fiscal year 1954
Changes induced in low-temperature tar by oxidation and storage
Analyses of crude oils from some California fields
Carbonization characteristics of some north-central United States lignites
Flood Prevention in Anthracite Mines: Anthracite Region of Pennsylvania, Projects Numbers 4 and 5
A reconnaissance of sulfur resources in Wyoming, Colorado, Utah, New Mexico, and Arizona
Mining methods and costs at the Westside Mine of the Eagle-Picher Co., Cherokee County, Kans.
Use of prestressed precast shaft supports, Banner Mine, Lordsburg, N. Mex.
Studies on the development and control of coal-dust explosions in mines
Some recent developments in waterflooding in Washington County, Okla., 1956-57
Mining, processing, and costs :Idaho Almaden mercury mine, Washington County, Idaho
Physical properties of low-boiling phenols :a literature survey
Mining methods and costs, Continental Uranium, Inc., Continental No. 1 Mine, San Juan County, Utah
Administration of the Federal Coal-Mine Safety Act, calendar year 1956
Recommended safety standards for shaft sinking :1957
State regulations pertaining to the use of internal-combustion engines underground
Mining methods and practices at the Mineral Hill Copper Mine, Banner Mining Co., Pima County, Ariz.
Auxiliary and supplemental mine rescue equipment
Mechanical mining in some bituminous-coal mines.
Use of lignin sulfonate for dust control on haulage roads in arid regions
Heavy-liquid techniques for rapid evaluation of sands by prospectors and plant operators
Full-shift dust exposure in some bituminous-coal mines
Tin-bearing placer deposits near Tofty, Hot Springs District, central Alaska
Mining and milling methods and costs, Tri-State Zinc, Inc., Jo Daviess County, Ill.
Preparation characteristics of coal from Lee County, Va.
Laboratory evaluation of water additives for petroleum displacement
Mining methods and costs at the Hayden Creek Mine of St. Joseph Lead Co., St. Francois County, Mo.
Experiments on water infusion in the experimental coal mine
A mineral-dressing study of manganese deposits of the Batesville, Ark. district