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GQ0016. Geologic Map of the Harper Quadrangle, Gillespie County, Texas, by V. E. Barnes. Oversized color geologic map with text on the back, map scale 1:31,680, 1954.
To purchase this map as a downloadable PDF, please order GQ0016D.
Keywords: maps, geologic maps, quadrangle maps, Harper area, Gillespie County, Texas