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

Keyword Search

Rare and uncommon chemical elements in coal

Analyses of ash from coals of the United States

Published Year

• 1940-1949 (2) *

Subject

• Coal--Analysis (2) *
• Coal--United States (1)

Author

• Gibson, F. H. (2) *
• Selvig, W. A. (2)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

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