Road map of Texas / prepared exclusively for Standard Oil Company of Texas.H.M. Gousha Company[1939]Copyright: H.M. Gousha Company.Ill., "Road map of United States" with index to points of interest, 7 local route maps, radio log,In lower right: 10-M.Relief shown by hachures and spot heights.Stamped: [copyright symbol]ClF 13011.Stamped: May 3, 1939.cartographic