Revised lithostratigraphic nomenclature of the Pottsville and Allegheny groups (Pennsylvanian)
Subtitle: Clearfield County, Pennsylvania
By: [by] William E. Edmunds.
Series: Commonwealth of Pennsylvania. Bureau of Topographic and Geologic Survey. Bulletin IC 61
Published: 1969
Place of publication: Harrisburg
Language: eng
Number of pages: 36
Subjects: Geology, Stratigraphic -- Pennsylvanian; Geology, Stratigraphic -- Nomenclature -- Pennsylvania -- Clearfield County
Genres: Nomenclature
Notes: Bibliography: p. 36.
"Pennsylvania Geological Survey, fourth series."