Pennsylvanian stratigraphy of the Powder River Basin, Wyoming, and adjoining areas.
Published: 1954
Language: eng
Number of pages: 411
Subjects: Geology -- Wyoming -- Powder River Basin.; Geology, Stratigraphic -- Pennsylvanian.
Notes: Thesis (Ph. D. in Geology)--State College of Washington, 1954.

"References cited": leaves 404-411.