00707cam a22002291a 4500 gs 50000235 DLC 20260227111356.0 870210s1949 mx b b 000 0 spa c gs 50000235 U.S. Geol. Survey. Libr./ICU ICU DLC n-mx--- QE201 .G3 557.2 Garfias, Valentín R., 1883- Geología de México [por] Valentín R. Garfias [y] Theodore C. Chapin. México, Editorial Jus, 1949. 202 p. maps (part fold.) profile. 25 cm. "Bibliografía": p. 159-198. Geology Mexico. Chapin, Theodore C., joint author. 28494 28494