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1. Land Cover Raster 2008: Philadephia, Pennsylvania

2011. City of Philadelphia University of Vermont Spatial Analysis Laboratory. High resolution land cover dataset for Philadelphia. Seven land cover classes were mapped: (1) tree canopy, (2) grass/shrub, (3) bare earth, (4) wa...

2. Landcover - Prince Georges County, Maryland

2011. University of Vermont Spatial Analysis Laboratory. Note: This is a resampled version of the land cover data. The cell size was increased from 0.5ft to 3ft to make the data more manageable to work wi...

3. USGS Geopdfs for District of Columbia

2011. U.S. Geological Survey. Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydro...