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
Hydraulic coal mining research :equipment and preliminary tests
Refine your search results
Published Year
1960-1969 (1)
Subject
Coal mines and mining (1)
Coal--Research (1)
Hydraulic mining (1) *
Author
Ackerman, M. J. (1) *
Price, George Cletus. (1)
Wallace, Joseph J. (1)
