DRG Topo Data Now Available

July 8, 2015 - The USGS 1:250K, 1:100K, and 1:24K topographic maps with and without collars are now available for download via GeoHub Imagery.  Please note USGS Topographic Map DRG’s available for download through the GeoHub Imagery application were last updated prior to 2006 (or earlier).  While they are the best available in this format, if you need more current data please visit The National Map Viewer to access new GeoPDF versions.