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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
2 results returnedMine subsidence--extent and cost of control in a selected area.
Availability of rutile as a byproduct from sand-washing plants in the Southeastern United States
Published Year
Subject
- Coal mines and mining--Pennsylvania (1)
- Mining engineering (1)
- Sand and gravel industry (1)
- Subsidences (Earth movements) (1)
- Titanium dioxide (1)
Author
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