Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Historic topographic maps for Pennsylvania

Author:
Description:
Historic USGS 15 minute topographic maps for Pennsylvania as collected from the MapTech Historical Map Collection at 'http://historical.maptech.com'. Scanned map images from MapTech were downloaded, assembled, and registered and rectified via Arc/Info to the UTM Zone 17/18 NAD83 projection.
Collection:
Pennsylvania Spatial Data Access (PASDA)
Place:
Pennsylvania, United States
Subjects:
Imagery and Base Maps and Topographic quadrangles
Year:
2005
Contributed by:
Penn State
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