Palynological studies of Lower Pennsylvanian coal beds and adjacent strata of the proposed Pennsylvanian system stratotype in Virginia and West Virginia
Palynological studies of Lower Pennsylvanian coal beds and adjacent strata of the proposed Pennsylvanian system stratotype in Virginia and West Virginia / by Robert M. Kosanke.
Published
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1988.
Physical Description
iii, 17 p., [5] p. of plates : ill., maps ; 29 cm.