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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
7 results returnedKettlebottoms :their relation to mine roof and support
Coal mine air tempering :effectiveness, design, and roof support
Geotechnology in slate quarry operations
The character of five selected LANDSAT lineaments in southwestern Pennsylvania
Geologic conditions affecting coal mine ground control in the western United States
Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines
Published Year
Subject
- Mine roof control (4)
- Coal mines and mining--Safety measures (2)
- Air conditioning (1)
- Coal mines and mining (1)
- Coal mines and mining--Kentucky (1)
- Coal--Geology--West (U.S.) (1)
- Geology--Pennsylvania--Remote sensing (1)
- Ground control (Mining) (1)
- Ground control (Mining)--Pennsylvania--Pen Argyl Region (1)
- Joints (Geology)--Kentucky (1)
- Kettlebottoms (Mining) (1)
- Landsat satellites (1)
- Mine drainage (1)
- Mine ventilation (1)
- Mine water (1)
- Outcrops (Geology)--Kentucky (1)
- Quarries and quarrying--Pennsylvania--Pen Argyl Region (1)
- Shale--Safety measures (1)
- Slate--Pennsylvania--Pen Argyl Region (1)
Author
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