Search U.S. government technical reports digitized or harvested by TRAIL.
Mine production of gold, silver, copper, lead, and zinc in Pend Oreille, and Stevens Counties, Wash., 1902-56 :annual totals by mines, districts, and counties
Ferrochromium from western metallurgical-grade chromite
The Pacific Northwest steel industry,
The Pacific Northwest ferroalloy industry
Mineral transportation costs in the Pacific Northwest :methodology and application of a statistical analysis
Availability of U.S. chromium resources,