1:100,000 Digital Raster Graphics for Delaware
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...
1:100,000 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...
1:100,000 Digital Raster Graphics for Virginia
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...
1:100,000 Digital Raster Graphics for West Virginia
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 elevation models (DEM) for the District of Columbia (30 meter)
2000. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...
1:24,000 - 7.5 minute digital elevation models (DEM) for Virginia (30 meter)
2000. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...
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...
1:24,000 - 7.5 minute Digital Raster Graphics for New Jersey
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 the District of Columbia
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 West Virginia
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 elevation models (DEM) for West Virginia (30 meter)
2000. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...
1:250,000 Digital Raster Graphics for Delaware
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...
1:250,000 Digital Raster Graphics for Virginia
2000. 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 West Virginia
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...
Aerial Photo Counties: Iowa, 2016
2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.
Aerial Photography Counties: Iowa, 1950s
1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.
Aerial Photography Counties: Iowa, 1960s
1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.
Aerial Photography Counties: Iowa, 1970s
1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.
Andreas Atlas Counties: Iowa, 1875
1875. Iowa Department of Natural Resources. 1875 Andreas Atlas of Iowa Each zip file contains a county raster dataset.
