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Author
U.S. Geological Survey
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Public
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Subject
Elevation
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Institution
Penn State
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Year
1996
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1. Digital Elevation Model - 10-Meter: Pennsylvania
1996. U.S. Geological Survey. Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...
2. Digital Elevation Model - 30-Meter: Pennsylvania
1996. U.S. Geological Survey. Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...