Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of the Virgilina copper district, Virginia and North Carolina
Investigation of wood chromite mine area Lancaster County, Pa.
Ignition of firedamp by explosives
Review of Bureau of Mines work on use of diesel engines underground
Investigation of Royal Princess zinc-lead deposit, Jo Daviess County, Ill.
Investigation of the Hamme tungsten district, Vance County N.C. and Mecklenburg County, Va.
Investigation of iron-ore reserves of Iron County, Utah :(supplement to R.I. 4076)
Shaped charges applied to mining:
Investigation of Majuba Hill copper-tin mine Pershing County, Nev.
Estimated cost of producing heavy fuel oil by hydrogenation of coal
Investigation of Arkansas bauxite.
Edison Spodumene Mine, Pennington County, S. Dak.
Amine volatility and alkalinity in relation to corrosion control in steam heating systems
Synthetic liquid fuels from hydrogenation of carbon monoxide.
Stress analysis applied to underground mining problems.
A method for spectrochemical determination of silver in ore samples
Flake-graphite and vanadium investigation in Clay, Coosa, and Chilton counties, Ala.
Churn drilling at Cape Mountain tin placer deposits Seward Peninsula, Alaska
An investigation of a laboratory test for determination of the free-swelling index of coal
Preparation characteristics of anthracites in the Santa River Valley, Peru
Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois
Investigation of Melrose Zinc-Lead District, Ottawa County, Oklahoma, and Cherokee County, Kansas
Bucket-Drilling the Coso Mercury Deposit, Inyo County, California
National Motor-Gasoline Survey: Winter 1947-48
A Process for the Production of Iron-Free Alum: Part 2. Pilot-Plant Development
Beryl Mountain, Sullivan County, New Hampshire
Investigation of Arkansas Bauxite
Cle Elum Iron-Nickel Deposits, Kittitas County, Washington
Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part II
Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part I
Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties
Mining Program: Bureau of Mines Oil-Shale Project, Rifle, Colorado
Laramie Sponge-Iron Pilot Plant
Geophysical Investigation of Manganiferous Iron Deposits, Boston Hill, Grant County, New Mexico
Petroleum Refineries, Including Cracking Plants in the United States, January 1, 1948
Report of Petroleum and Natural-Gas Division: Fiscal Year 1947
Analyses of Michigan, North Dakota, South Dakota and Texas Coals