Palynological studies of Middle Pennsylvanian coal beds of the proposed Pennsylvania System stratotype in West Virginia /

Bibliographic Details
Main Author: Kosanke, Robert M. (Robert Max)
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Published: [Reston, Va.] : Dept. of the Interior, U.S. Geological Survey ; 1988.
Series:U.S. Geological Survey professional paper ; 1455.
Subjects: