Raster Data

Topics Under This Category:
Digital Raster Graphics (DRGs)
Describes DRGs, which are scanned images of U.S. Geological Survey (USGS) topographic maps.
 
DOQQ Sample
Displays a sample graphic of a DOQQ (aerial image of Mission Bay)
 
Mission Bay SE DOQQ
Map graphic showing location of the DOQQ sample.
 
TCEQ Digital Orthophoto Quarter Quads
Describes TCEQ's 1995 DOQQ (aerial imagery) Acquisition Project
 
TCEQ Digital Orthophoto Quarter Quads Numbering Conventions
Demonstrates the USGS Quarter Quad Numbering System.
 
Last Modified 8/15/08
©2002-2008 Texas Commission on Environmental Quality.