skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
2 results returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Strata interactions in multiple-seam mining--two case studies in Pennsylvania
Pillar load transfer associated with multiple-seam mining
Refine your search results
Published Year
1980-1989 (2) *
Subject
Pillaring (Mining) (2)
Coal mines and mining--Pennsylvania (1)
Coal mines and mining--West Virginia--Raleigh County (1)
Ground control (Mining) (1)
Mine subsidences--Pennsylvania (1)
Mine subsidences--West Virginia--Raleigh County (1)
Author
Chekan, G. J. (2)
Galek, James A. (2) *
Matetic, Rudy J. (2)
