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OFM0017. Geologic Map of the Castle Hills Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color topographic base, map scale 1:24,000, with explanatory text, 1994. To purchase this map as a downloadable PDF, please order OFM0017D.
Keywords: maps, geologic maps, Castle Hills area, Texas
Collins, E. W., 1994, Geologic Map of the Castle Hills Quadrangle, Texas: The University of Texas at Austin, Bureau of Economic Geology Open-File Map No. 17, map scale 1:24,000.