Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
5 results returnedSearch results
- Analyses of Kentucky coals
- Coal-mine fatalities in Kentucky in 1931, 1932, and 1933
- Explosions in Kentucky coal mines, January 1, 1884-June 30, 1933
- Some factors affecting and suggested ways for improving coal-mine ventilation, with particular reference to mines in Illinois, Indiana, and Western Kentucky
- Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines