Corals as guides to divisions of the Pennsylvanian system in the western interior region
By: by William J. Sando
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 84-79
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1984
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Corals, Fossil -- West (U.S.); Corals, Fossil -- Canada, Western.; Geology, Stratigraphic -- Pennsylvanian
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?]. 1 microfiche ; 11 x 15 cm