(TX.-Austin) Texas Austin Quadrangle - Structure-Section Sheet, U.S.G.S., 1901 With color showing the "surficial rocks" of the area, a clear base map shows the city and surrounding towns and ranches, as well as the roads and drainages. Two geological profiles cut through the map illustrating the surface and near sub surface geology as it spans across the area. Condition is good with a close left margin. Image size is approximately 18.5 x 17 (inches)