01009cem a2200241 4500 10225583 TxGeo 051210s1986||||||||||||||||||||||||und|u (OCoLC)731231230 GPL TxGeo Nameless quadrangle, Texas [map] / United States Department of the Interior Geological Survey. Denver, CO : U.S. Geological Survey, 1986. 1 map : col. ; 56 x 69 cm. 7.5 minute series (topographic) Topography by photogrammetric methods from aerial photographs taken 1962. Field check 1962. Revised from aerial photographs take 1985. Field checked 1986. Map edited 1986. 20051213. Nameless (Tex) Maps. Travis County (Tex) Maps. Texas Maps. United States, Geological Survey. 7.5 minute series (topographic.) QS5