AN ANTIQUE AUTOMOBILE MAP, "Clason's Guide Map of Oklahoma," DENVER, COLORADO, 1917, color engraving on paper, published by The Clason Map CO., with an "Index of Cities and Towns with a population of 500 or more," listed at right, and inset map of "Western Portion of Oklahoma." 16 1/4" x 21 1/4" Note: This map showing the American transportation boom at the turn of century including a variety of coal and electric rail lines, national forests and parks, and automobile routes. Provenance: Property from a Fortune 500 Energy Company, Houston, Texas.