skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
1 result returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Influence of subjacent gob on longwall development mining in the Upper Kittanning Coalbed of south-central Pennsylvania
Refine your search results
Published Year
1990-1999 (1) *
Subject
Coal mine waste--Pennsylvania--Ebensburg Region (1)
Ground control (Mining)--Pennsylvania--Ebensburg Region (1)
Longwall mining--Pennsylvania--Ebensburg Region (1)
Author
Bauer, Eric R. (1)
Chekan, G. J. (1)
Sames, Gary P. (1) *
