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

Keyword Search

Salvage of coal from mine refuse in the Pittsburgh district

Sulfur in low-gravity fractions of some bituminous coals

Published Year

• 1940-1949 (2) *

Subject

• Bituminous coal--Sulfur content (1)
• Coal--Pennsylvania--Pittsburgh (1)
• Coal--Sulfur content (1)

Author

• Fraser, Thomas. (2) *
• Crentz, W. L. (1)
• Graham, H. G. (1)
• Kelley, J. A. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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