The Mississippian and Pennsylvanian (Carboniferous) systems in the United States.
Series: Geological Survey Professional paper ;; 1110-M-DD; Geological Survey professional paper ;; 1110-M-DD.
Publisher: U.S. Govt. Print. Off.; For sale by the Supt. of Docs
Published: 1979
Place of publication: Washington
Language: eng
Number of pages: 550
Subjects: Geology, Stratigraphic -- Mississippian.; Geology, Stratigraphic -- Pennsylvanian.; Geology -- Iowa.
Notes: Includes bibliographies.