OFM0208. Geologic Map of the Thelma Quadrangle, Texas, by B. A. Elliott. Oversize geologic map on color topographic base, map scale 1:24,000, 2013. Paper map. For PDF: OFM0208D.
About This Publication
This map shows Quaternary and Tertiary deposits south of San Antonio, including existing and inactive quarries for sand resources, which are used primarily for construction material and cement manufacturing in the greater San Antonio region.
Keywords: maps, geologic maps, San Antonio area, STATEMAP, Thelma quadrangle, Texas
Elliott, B. A., 2013, Geologic Map of the Thelma Quadrangle, Texas: The University of Texas at Austin, Bureau of Economic Geology, Open-File Map No. OFM0208, map scale 1:24,000.