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
Moving longwall shield supports at the York Canyon mine, Raton, N. Mex.
Three potential longwall mining methods for thick coal seams in the western United States
Refine your search results
Published Year
1970-1979 (2) *
Subject
Mining engineering (2)
Coal mines and mining--New Mexico--Raton (1)
Coal mines and mining--West (U.S.) (1)
Mine timbering (1)
Author
Oitto, Richard H. (2) *
Sikes, William E, (1)
Wisecarver, David W., (1)