1:100,000 Digital Raster Graphics for Maryland
2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
1:24,000 - 7.5 minute Digital Raster Graphics for Maryland
2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
1:250,000 Digital Raster Graphics for Maryland
2000. United States Geological Survey (USGS). A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
Landcover - Prince Georges County, Maryland
2011. University of Vermont Spatial Analysis Laboratory. High resolution land cover dataset for Prince Georges County. Seven land cover classes were mapped: (1) tree canopy, (2) grass/shrub, (3) bare eart...
National Agriculture Imagery Program (NAIP) for Maryland - County Mosaics
2009. U S Department of Agriculture. This data set contains imagery from the National Agriculture Imagery Program (NAIP). NAIP acquires digital ortho imagery during the agricultural gr...
Topographic Maps (DRG) for Pennsylvania 1:100,000 - UTM
1996. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
Topographic Maps (DRG) for Pennsylvania 1:250,000 - UTM
1996. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...
