Search U.S. government technical reports digitized or harvested by TRAIL.
Connection between physical condition and liability to accidents of metal miners
The miner's ounce of prevention--the operator's pound of cure
Dissolution of various manganese minerals
Mineral industry of Alaska in 1928and administration report,
What the coal miners can do to prevent injury from falls of roof
The mineral industry and the young engineer
Separation of cyanite and mica from quartz, feldspar, and other gangue minerals of a mica schist
Oxygen as an aid in the dissolution of silver by cyanide from various silver minerals
Explosive shattering of minerals as a substitute for crushing preparatory to ore dressing
Methods and costs of concentrating scheelite ore at the Silver Dike Mill, Mineral County, Nev.
Research activities in the mineral industries of the United States
Public services for the identification of mineral specimens
Standards and Specifications for Nonmetallic Minerals and Their Products
Explosive shattering of minerals
Silicosis and tuberculosis among miners of the tri-state district of Oklahoma, Kansas and Missouri.
Growth and development of nonmetallic mineral industries
The present status of the mineral industry
Past Placer-Gold Production from Alaska
Iron Oxide Mineral Pigments of the United States
Mineral Deposits Near the West Fork of the Chulitna River Alaska
Consumption and prices of nonmetallic minerals
Mineral industry of Alaska in 1932
Mineral industry of Alaska in 1933
Studies on the Alkalinity of Some Silicate Minerals
Minor mineral fertilizer materials
The Willow Creek-Kashwitna District, Alaska
Mineral Deposits of the Ruby-Kuskokwim Region Alaska
Geology and Mineral Resources of the Butler and Zelienople Quadrangles, Pennsylvania
Mineral industry of Alaska in 1934
Sampling Mine Gases and Use of the Bureau of Mines Portable Orsat Apparatus in Their Analysis
Mineral Resources of Alaska: Report on Progress of Investigations in 1934
Reconnaissance of mining districts in Mineral County, Nev.
Analyses of rocks and minerals from the laboratory of the United States Geological Survey, 1914-36,
Recent mineral developments in the Copper River region, Alaska
Geology and Mineral Resources of the Western Part of the Arkansas Coal Field
The Eska Creek Coal Deposits Matanuska Valley, Alaska
Mineral Industry of Alaska in 1935
Geology and Mineral Resources of the Baker Quadrangle, Oregon
Flotation and agglomerate concentration of nonmetallic minerals