Texture Maps are GeoTIFF images that add a raised relief element to collarless DRGs. Texture Maps include a .TFW world file. They are in a Geographic, Lat/Long, NAD 27 projection and can be downloaded after purchase by Credit Card. Texture maps are $5 per quad or 25¢ a Square Mile for 24k; 2¢ a Square Mile for 100k; 1¢ a Square Mile for 250k, and can be ordered via a 'CheckBox' option when ordering DRGs or DEMs.
250K DRG  DRG before adding 3 Arc Second DEM | 250K Texture Map  DRG after adding 3 Arc Second DEM |
24K DRG  DRG before adding 30 meter DEM | 24K Texture Map  DRG after adding 30 meter DEM |
Sample - Full 250K DRG combined with 3 Arc Second DEM (13 MB) Sample - Full 24K DRG combined with 30 Meter DEM (8.77 MB)