Geological Map of a Portion of West Texas
Mapa geológico de una porción al oeste de Texas
Geological Map of a Portion of West Texas
A geological map of a portion of West Texas based on U.S.G.S. topographic sheets and reconnaissance maps. Cretaceous details are noted on a color illustrated background. The legend includes quicksilver, coal, silver and lead; intrusives, lavas and tuffs; granite and syenite; and diorite.