Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
16 results returnedSearch results
- Backfilling problem in the anthracite region as it relates to conservation of anthracite and prevention of subsidence
- Acid mine water in the anthracite region of Pennsylvania
- Roof bolting and dust control
- Administration of the Federal Coal-Mine Safety Act
- Administration of the Federal Coal-Mine Safety Act, calendar year 1955
- Rock dusting and sampling including wet rock dusting at the Bureau of Mines experimental coal mine
- Administration of the Federal Coal-Mine Safety Act :calendar year 1954
- Health and safety activities of the Bureau of Mines :fiscal year 1955
- Administration of the Federal Coal-Mine Safety Act, calendar year 1956
- Administration of the Federal Coal-Mine Safety Act, calendar year 1957
- Engineering control of health and safety hazards in uranium mines
- Administration of the Federal Coal-Mine Safety Act, 1952-58
- Administration of the Federal Coal-Mine Safety Act, 1952-59
- Administration of the Federal Coal-Mine Safety Act, 1952-60
- Administration of the Federal Coal-Mine Safety Act, 1952-61
- Administration of the Federal Coal-Mine Safety Act, 1952-62
