 |
|
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
2 results returnedGeologic structures in coal mine roof
A guide to geologic features in coal mines in the northern Appalachian coal basin
Published Year
Subject
- Coal mines and mining--Appalachian Region--Safety measures (2)
- Coal--Geology--Appalachian Region (2) *
- Ground control (Mining)--Appalachian Region (1)
- Mine roof control (1)
- Rock bursts (1)
Author
Search developed and maintained by the University of Washington Libraries
Copyright 2010