The Mississippian and Pennsylvanian (Carboniferous) systems in the United States /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Avcin, Matthew J.
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of the Interior, Geological Survey, 1979 i.e. 1980.
Series:	Geological Survey professional paper ; 1110-M-DD.
Subjects:	Geology, Stratigraphic > Carboniferous. Geology, Stratigraphic > Mississippian. Geology, Stratigraphic > Pennsylvanian. Geology > Iowa.