Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
4 results returnedSearch results
- Detection and delineation of faults by surface resistivity measurements:Schwartzwalder mine, Jefferson County, Colo.
- Applying computer-drawn maps of geologic data to analysis of mining problems
- Geological factors affecting methane in the Beckley coalbed
- Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia
