Field guide to cretaceous-tertiary boundary sections in northeastern Mexico

Published 1984

An annotated checklist and key to the reptiles of Mexico exclusive of the snakes /

by Smith, Hobart Muir, 1912-
Published 1950

Geologic excursions through the Sonoran Desert Region, Arizona and Sonora /

Published 1990

Discovering the geology of Baja California : six hikes on the southern gulf coast /

by Johnson, Markes E
Published 2002