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Subject
Structure
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Collection
Pennsylvania Spatial Data Access (PASDA)
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Year
2000
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Search Results
1. Impervious surface area for Southwest Pennsylvania
2000. Toby Carlson, Penn State University. Impervious surface area for Pennsylvania was estimated from Thematic Mapper data using algorithms developed by Dr. Toby Carlson. The Value attribut...
2. Parking: Allegheny County, Pennsylvania
2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Paved and unpaved parking lots that accommodate more than ten (10) cars.