Pennsylvanian conodont biostratigraphy and paleoecology of northwestern Illinois /

Bibliographic Details
Main Author: Merrill, Glen K.
Format: Book
Language:English
Published: Boulder, Colo. : Geological Society of America, 1975.
Series:Microform publication ; 3.
Subjects:
Description
Item Description:Plates 14-17 also in microform.
Microfiche.
Microform.
Physical Description:2 sheets (v, 130 pages, 4 unnumbered leaves of plates) : illustrations, maps ; 14.8 x 10.5 cm.
Bibliography:Bibliography: pages 124-127.
ISBN:0813760038