Manual para la exploracion del uranio
Mexico: n.p., 1958. Hardcover. Large octavo in duo-tone blue cloth boards and pale beige-green illus DJ; 353 p. illus. 22 cm. B/w illus as well as color photo plates and color maps to endpapers. In Spanish. Scarce. Uranium ores -- Mexico. Prospecting. || At head of title: Comisión Nacional de..... More