 |
|
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
7 results returnedMining methods used in the Grundy coal field of Buchanan County, Va.
Longwall mining methods in some mines of the Middle Western states
Some aspects of strip mining of bituminous coal in Central and South Central states
Truck vs. rail haulage in bituminous-coal strip mines
Multiple-shift mechanical mining in some bituminous coal mines.
Reclamation of stripped coal land
Multiple-shift mechanical mining in some bituminous coal mines.
Published Year
Subject
- Coal mines and mining (2)
- Bituminous coal industry--United States (1)
- Bituminous coal--United States (1)
- Coal mines and mining--United States (1)
- Coal mines and mining--Virginia--Buchanan County (1)
- Coal-mining machinery (1)
- Longwall mining--Equipment and supplies (1)
- Mine haulage (1)
- Reclamation of land--United States (1)
- Trucking--Cost of operation (1)
Author
Search developed and maintained by the University of Washington Libraries
Copyright 2010