skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
3 results returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Truck vs. rail haulage in bituminous-coal strip mines
Underground transportation of coal :Progress report 1
Underground transportation of coal :progress report [No.] 2
Refine your search results
Published Year
1930-1939 (1)
1940-1949 (2)
Subject
Mine haulage (3) *
Coal mines and mining--Equipment and supplies (2)
Coal-handling machinery (2)
Coal mines and mining (1)
Trucking--Cost of operation (1)
Author
Jones, Frank A. (3)
Toenges, Albert L. (3) *
Thomas, Edward. (1)
