Title: The Supai Group--subdivision and nomenclature
First published: 1975
Subjects: Geology, Stratigraphic, Nomenclature, Stratigraphic Geology, Geology
Places: Arizona, Grand Canyon Region
Time periods: Pennsylvanian, Permian
LC classification: QE75 .B9 no. 1395-J, QE674 .B9 no. 1395-J