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
Hydraulic coal mining research :development mining in a steeply pitching coalbed, Roslyn, Wash.
Materials handling research: the bucket-wheel excavator
Refine your search results
Published Year
1960-1969 (1)
1970-1979 (1)
Subject
Coal mines and mining--Research (1)
Excavating machinery (1)
Hydraulic mining--Research (1)
Hydraulic mining--Washington (State) (1)
Materials handling (1)
Author
Price, George Cletus, (2) *
Badda, Frank. (1)
Manula, C. B. (1)
Venkataramani, Rajaraman, (1)
