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OFM0022. Geologic Map of the Bulverde Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, with explanatory text, 1993. To purchase this publication as a downloadable PDF, please order OFM0022D.
Keywords: maps, geologic maps, Bulverde area, Texas
Collins, E. W., 1993, Geologic Map of the Bulverde Quadrangle, Texas: The University of Texas at Austin, Bureau of Economic Geology Open-File Map No. 22, map scale 1:24,000.