Allegheny Portage Railroad NHS Spot Elevations
Farrell J. 1998. Allegheny Portage Railroad NHS Spot Elevations. NC State University
Spot elevations 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, Cresson 7.5 minute USGS quadrangle, Elevation, Hollidaysburg 7.5 minute USGS quadrangle, Hypsography, Pennsylvania, Roaring Springs 7.5 minute USGS quadrangle, Spot Elevation, Spruce Creek 7.5 minute USGS quadrangle, Williamsburg 7.5 minute USGS quadrangle