Geologic map of the west quadranqle, Travis county, Texas 

 - Austin :   University of Texas,  2000 
 - Esc.: 1: 24,000, a color 
<br/><br/>Ciencias Naturales 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRAVIS COUNTY, TEXAS --GEOLOGIA --MAPAS