What is the TCEQ USGS Topographic Map Viewer?
This Viewer has been designed to provide interactive online access to the U.S. Geological Survey (USGS) 7.5-Minute Topographic Maps for the State of Texas. Several tools have been provided enabling you to zoom, pan, query, print, and obtain geographic coordinates. This help page provides a brief explanation of these tools. Several reference layers such as counties and roads have been provided to guide you to your area of interest. As you zoom in closer, more layers will appear. Once you have zoomed in past the scale of 1:75,000, the reference layers will disappear and the 7.5-Minute USGS Topograghic Maps will be visible along with the 7.5-minute and Digital Orthophoto Quarter Quad (DOQQ) indexes. How do I Find the Name of a Particular Map Feature? To find the name and other information associated with a particular map feature, you must first select the circular “radio button” next the layer for which you are interested. Once the layer is active, select the Identify Tool, then click the