Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Mechanical mining in some bituminous-coal mines :progress report 9 : face haulage

Extracting final stump in pillars and pillar lifts with continuous miners

Use of a large-diameter auger in mining pitching anthracite beds

Longwall mining with a German coal planer :Pocahontas No. 3 coalbed, Keystone, W. Va.

Developing a lock-hopper feeder for hydraulic hoisting of coal

Use of a continuous borer in mining pitching anthracite beds

Pneumatic transportation of solidsproceedings: Institute of Gas Technology - Bureau of Mines Symposium, Morgantown, W. Va., October 19-20, 1965

Longwall mining in bituminous coal mines with planers, shearer- loaders, and self-advancing hydraulic roof supports

Published Year

• 1960-1969 (8) *

Subject

• Coal-mining machinery (8) *
• Mining engineering (2)
• Augers (1)
• Bituminous coal industry--United States (1)
• Boring machinery (1)
• Bulk solids flow (1)
• Coal--West Virginia (1)
• Longwall mining--Equipment and supplies (1)
• Pneumatic-tube transportation (1)

Author

• Schimmel, J. T. (2)
• Shields, J. J. (2)
• Carman, C. O. (1)
• Dierks, Henry A. (1)
• Dowd, J. J. (1)
• Faber, John H. (1)
• Harper, D. S. (1)
• Joyce, T. J. (1)
• Link, H. B. (1)
• Markle, Donald. (1)
• Spencer, John D. (1)
• Stahl, R. Ward. (1)
• Tavenner, W. H. (1)
• Tavenner, William H. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010