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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.


map background search result map search result map USGS Topo Map Vector Data (Vector) 15215 Fiatt, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27477 Manito, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 15272 Findlay, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17919 Grafton, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19137 Hampshire, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 71571 Shabbona Grove, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49850 Woodworth, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6673 Cairo, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6360 Burnt Prairie, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 7465 Carthage East, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 8115 Chana, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 8134 Chandlerville, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14976 Fandon, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 15467 Flanagan SW, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16729 Galva, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26586 Loraine, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 29112 Middlesworth, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33240 Onarga East, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41797 Smithfield, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED 1/3 arc-second Contours for Decatur W, Illinois 20180618 1 X 1 degree FileGDB 10.1 USGS Topo Map Vector Data (Vector) 15215 Fiatt, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27477 Manito, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 15272 Findlay, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17919 Grafton, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19137 Hampshire, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 71571 Shabbona Grove, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49850 Woodworth, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6673 Cairo, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6360 Burnt Prairie, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 7465 Carthage East, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 8115 Chana, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 8134 Chandlerville, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14976 Fandon, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 15467 Flanagan SW, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16729 Galva, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26586 Loraine, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 29112 Middlesworth, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33240 Onarga East, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41797 Smithfield, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED 1/3 arc-second Contours for Decatur W, Illinois 20180618 1 X 1 degree FileGDB 10.1