 |
|
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
3 results returnedGeologic investigations of underground coal mining problems
Use of surface joint and photolinear data for predicting subsurface coal cleat orientation
Determining cleat orientation of deeper coalbeds from overlying coals
Published Year
Subject
Author
Search developed and maintained by the University of Washington Libraries
Copyright 2010