Barrera, Tomás 1895- creator text bibliography mx México 1946 monographic spa

print

101 p. illus., 5 maps (in separate pocket) diagrs. 23 cm. At head of title: Universidad Nacional Autónoma de México. Instituto de Geología. Part of the illustrative matter is folded. Bibliographical foot-notes. n-mx--- Geology Mexico Oaxaca QE203.O2 B3 557.2 gs 48000102 //r90 U.S. Geol. Survey Libr./ICU 901115 20260227111354.0 gs 48000102