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

Keyword Search

Analyses of Wyoming coals

Analyses of Montana coals

A study of mine roof of the Pittsburgh coal bed in the Pittsburgh mining district

A study of mine roof of the coking district of Western Pennsylvania

Methods of development and pillar extraction in mining the Pittsburgh coal bed in Pennsylvania, West Virginia, and Ohio

Statistical analysis of the progress in mechanical cleaning of bituminous coal from 1927 to 1934

Published Year

• 1930-1939 (6) *

Subject

• Coal mines and mining--Pennsylvania (3)
• Coal--Analysis (2)
• Bituminous coal (1)
• Coal mines and mining--Ohio (1)
• Coal mines and mining--West Virginia (1)
• Coal preparation (1)
• Coal--Montana (1)
• Coal--Wyoming (1)
• Coke--Pennsylvania (1)
• Industrial accidents--Pennsylvania (1)
• Mine safety--Pennsylvania (1)
• Mine timbering (1)
• Mining engineering (1)

Author

• Plein, Leopold Nicholas, (6) *
• Paul, J. W. (3) *
• Dobbin, C. E. (2)
• Snyder, Ned H. (2)
• Tryon, F. G. (2)
• Denny, Edward H. (1)
• Owings, C. W. (1)
• Reeder, R. D. (1)
• Young, William Harvey, (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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