 |
|
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
2 results returnedDeep-well pumps and shaft pumps in anthracite mines of Pennsylvania
Centrifugal pump installations in anthracite mines of Pennsylvania
Published Year
Subject
- Anthracite coal industry--Pennsylvania--Equipment and supplies (2)
- Coal mines and mining--Pennsylvania--Equipment and supplies (2)
- Mine pumps--Pennsylvania (2) *
Author
Search developed and maintained by the University of Washington Libraries
Copyright 2010