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You searched for: Author U.S. Geological Survey Remove constraint Author: U.S. Geological Survey Subject Elevation Remove constraint Subject: Elevation Collection Pennsylvania Spatial Data Access (PASDA) Remove constraint Collection: Pennsylvania Spatial Data Access (PASDA) Place Pennsylvania, United States Remove constraint Place: Pennsylvania, United States
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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...