Records pertaining to this entire area:
Records pertaining to parts of this area:
- Overburden thickness isopleths of the Pittsburgh coal bed in Pennsylvania, Ohio, West Virginia, and Maryland
- Thickness of Pittsburgh coal bed main bench in Maryland, Ohio, Pennsylvania, and West Virginia
- Pittsburgh coal bed point locations in Maryland, Ohio, Pennsylvania, and West Virginia
- Thickness contours of the Upper Freeport coal bed in Pennsylvania, Ohio, West Virginia, and Maryland (in USGS Circular 891 thickness categories)
- Structure contours for the Upper Freeport coal bed in Maryland, Ohio, Pennsylvania. and West Virginia
- Areal extent of the Upper Freeport coal bed in Maryland, Ohio, Pennsylvania, and West Virginia
- Map showing generalized overburden thickness isopleths of the Upper Freeport coal bed in Pennsylvania, Ohio, West Virginia, and Maryland
- Mined areas of the Upper Freeport coal bed in Maryland, Ohio, Pennsylvania, and West Virginia
- Data point coverage for Upper Freeport coal in Maryland, Ohio, Pennsylvania and West Virginia
- Mined areas of the Pittsburgh coal bed in Maryland, Ohio, Pennsylvania and West Virginia
- Digital geologic map and database of the Frederick 30 X 60 minute quadrangle, Maryland, Virginia, and West Virginia
- Areal extent of the Pittsburgh coal bed in Maryland, Ohio, Pennsylvania and West Virginia
- Areal extent of the Pittsburgh coal bed resource areas in Maryland, Ohio, Pennsylvania and West Virginia
- Structure contours of the Pittsburgh coal bed in Pennsylvania, Ohio, West Virginia, and Maryland
- 1995 National Oil and Gas Assessment 1/4-Mile Cells within the Piedmont Province
- Geologic Map Database of the Washington DC Area Featuring Data From Three 30 X 60 Minute Quadrangles: Frederick, Washington West, and Fredericksburg
- 1995 National Oil and Gas Assessment Conventional Plays within the Blue Ridge Thrust Belt Province
- 1995 National Oil and Gas Assessment 1/4-Mile Cells within the Blue Ridge Thrust Belt Province
- 1995 National Oil and Gas Assessment 1/4-Mile Cells within the Atlantic Coastal Plain Province
- Coal resource areas of Lower Kittanning coal zone
- Mined-out areas of Lower Kittanning coal zone
- Areal Extent of the Pittsburgh Coal Bed and Horizon and Mined Areas of the Pittsburgh Coal Bed
- 1995 National Oil and Gas Assessment Conventional Plays within the Appalachian Basin Province
- 1995 National Oil and Gas Assessment 1/4-Mile Cells within the Appalachian Basin Province
- 1995 National Oil and Gas Assessment Conventional Plays within the Piedmont Province
U.S. Department of the Interior |
U.S. Geological Survey