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GQ0016D. 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 in paper format, please order GQ0015.
Keywords: maps, geologic maps, quadrangle maps, Harper quadrangle, Gillespie County, Texas