Search U.S. government technical reports digitized or harvested by TRAIL.
Mineral Facts and Problems: 1960 Edition
Injury statistics as an aid in preventing accidents in metal and nonmetallic mines
Design of Underground Openings in Competent Rock
Introduction to Mine Ventilating Principles and Practices
Methods for analyzing titanium metal for tin
Injecting solid fuels into smelting zone of an experimental blast furnace
Fusibility of ash of United States coals
Research and technologic work on explosives, explosions, and flames :fiscal year 1959
Peat producers in the United States in 1960
Oil production in West Virginia by waterflooding, 1959(in three parts) :
Fuel-briquet and packaged-fuel plants in the United States in 1960
Petroleum refineries, including cracking plants in the United States, January 1, 1961
Free-swelling and grindability indexes of United States coals
Quadratic functions for iron radiation :0⁰ to 180⁰ 2[theta]
Coke plants in the United States on December 31, 1960
Copper, lead, and zinc in three recessions following World War II
Research and technologic work on explosives, explosions, and flames:fiscal years 1955 and 1956
Research and technologic work on explosives, explosions, and flames, fiscal years 1957 and 1958
Comparative evaluation of coking properties of four coals
Occurrence, properties, and uses of some natural bitumens
Coal research organizations :their activities and publications
The National safety competition of 1959
Tungsten deposits of Gila, Yavapai, and Mohave counties, Ariz.
Costs of mining under bolted roof and timbered roof in bituminous coal mines
Spectrochemical analysis of high-purity metals:a review and bibliography of recent literature
Helium production at the Bureau of Mines Keyes, Okla., plant
Pulverizing lignite in a North Dakota powerplant
Trends in Alaska's mineral industry
Hydrogenation of low-temperature coal tar and related materials :a summary of the literature
Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1960)
Low-temperature carbonization assays of coals and relation of yields to analyses
Hydrogenation of coal at short retention times
Preparation characteristics of coal from Boone County, W. Va.
Lightweight aggregates :expansion properties of clays, shales, and precambrian rocks of Wisconsin
Flotation of bertrandite and phenacite from Mount Wheeler, Nev., beryllium ore
High-temperature heat contents and entropies of cerium dioxide and columbium dioxide
Flotation of beryl from north-eastern pegmatites :a progress report