Description: Map displays soil types along with bayous, lakes, rivers, agricultural field stations, refineries, pipelines, power transmission lines, towns, churches, country clubs, roads, and railroads. Includes legend and symbols. Separate, supplemental chart shows principle characteristics of each soil type. A polyconic projection, North American datum. "Horizontal control by U.S. G. S. and U. S. C. and G. S. 10000 foot grid based upon Texas (Central) system of plane coordinates." With supplemental soil chart, 36 x 35 cm.