Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Geologic Factors in Predicting Coal Mine Roof-Rock Stability in the Upper Kittanning Coalbed, Somerset County, Pennsylvania

Effects of Ancient Stream Channel Deposits on Mine Roof Stability: A Case Study

Published Year

• 1980-1989 (2) *

Subject

• Mine roof control. (2) *
• Coal mines and mining -- Pennsylvania -- Somerset County -- Safety measures. (1)
• Geology, Stratigraphic. (1)
• River channels -- Pennsylvania -- Pittsburgh Region. (1)
• Rock mechanics -- Pennsylvania -- Somerset County. (1)

Author

• Hyman, D. M. (1)
• Iannacchione, A. T. (1)
• Ingram, David K. (1)
• Ulery, J. P. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010