This portal provides links to United States Geological Survey (USGS) partner sites where users can locate a variety of maps and imagery. Items include digital products such as orthophoto quadrangles (DOQ), digital raster graphics (DRG), elevation models (DEM), and digital line graphics (DLG). There are also links to interactive map applications, "flyovers", and art-quality reproductions of maps and imagery. Some materials are free; others are available for purchase.
This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you
have information we can use to flesh out or correct this record let us know.
