Paleozoic rocks in the Black Pine Mountains, Cassia County, Idaho : descriptions of eleven rock units which range in age from Devonian to Permian, the thickest parts being Early Pennsylvanian to Early Permian / by J. Fred Smith, Jr.
Bound with: Stratigraphic notes, 1983. -- Porvenir formation (new name)--and other revisions of nomenclature of Mississippian, Pennsylvanian, and lower Permian rocks, southeastern Sangre de Cristo Mountains, New Mexico /
Bibliography
Includes bibliographical references (pages 35-36).
