 |
|
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
3 results returnedInfluence of overlying strata on methane emissions in a northern West Virginia coal mine
Clay veins :their occurrence, characteristics, and support
Geologic factors influencing the gas content of coalbeds in southwestern Pennsylvania
Published Year
Subject
- Clay veins (1)
- Coal mines and mining--Safety measures (1)
- Coal mines and mining--West Virginia--Safety measures (1)
- Coalbed methane drainage--West Virginia (1)
- Coalbed methane--Pennsylvania (1)
- Goal--Geology--Pennsylvania (1)
- Ground control (Mining) (1)
- Sandstone--West Virginia (1)
Author
Search developed and maintained by the University of Washington Libraries
Copyright 2010