Bedrock Geology of Round Rock and Surrounding Areas, Williamson and Travis Counties, Texas

The purpose of this study was to produce a map of the bedrock geology of the city of Round Rock, Texas and its environs and to evaluate the geologic structure of the area. Most of the City of Round Rock lies within the Round Rock 7.5 minute quadrangle, Williamson County, Texas, although parts of the city also lie within the Pflugerville West 7.5 minute quadrangle, Travis County, Texas and the Hutto 7.5 minute quadrangle, Williamson County, Texas. Part of the Pflugerville East 7.5 minute quadrangle, Travis County, Texas was included in this study as well. The full extent of the area mapped in this study is bounded by latitudes 30° 27’ 30” and 30° 37’ 30”, and longitudes 97° 32’ 30” and 97° 45’.