Search U.S. government technical reports digitized or harvested by TRAIL.
Exploratory drilling practices and costs at western uranium deposits
Industrial engineering practice at selected metal mines in western states
Injury experience in the metallic mineral industries, 1964
Historical injury experience in quarrying (in three parts)
Historical injury experience in quarrying (in three parts)
Historical injury experience in the metallic mineral industries (in two parts).
Historical injury experience in the metallic mineral industries (in two parts).