Allegheny Portage Railroad NHS Quadrangle Boundaries
Farrell J. 1998. Allegheny Portage Railroad NHS Quadrangle Boundaries. NC State University
USGS 7.5 Minute quadrangle boundaries in and around Allegheny Portage Railroad NHS
- Type
- Geospatial Dataset
- Authors
- Farrell, James
- Date of Issue
- 1998-06-01
- Publisher
- NC State University
- Units
- ALPO
- Keywords
- Allegheny Portage Railroad NHS, Blue Knob 7.5 minute USGS quadrangle, bounday, Cresson 7.5 minute USGS quadrangle, Hollidaysburg 7.5 minute USGS quadrangle, Pennsylvania, quadrangles, Roaring Springs 7.5 minute USGS quadrangle, Spruce Creek 7.5 minute USGS quadrangle, Williamsburg 7.5 minute USGS quadrangle