"This volume was published as separate chapters A-C."
Part of illustrative matter folded in pocket of chapter A.
Includes bibliographies.
(A) The Pierre Shale near Kremmling, Colorado, and its correlation to the east and the west / G. A. Izett, W. A. Cobban, and J. R. Gill--(B) Plutonic rocks of the Klamath Mountains, California and Oregon / Preston E. Hotz--(C) Preliminary geologic ivestigations of western St. Lawrence Island, Alaska / William W. Patton, Jr., and Béla Csejtey, Jr