Miospore analysis of the Pottsville coals of Indiana.

Bibliographic Details
Main Author:	Guennel, Gottfried Kurt, 1920-
Format:	Book
Language:	English
Published:	Bloomington, [publisher not identified] ; 1958.
Series:	Geological Survey bulletin (Bloomington, Ind.) ; 13.
Subjects:	Coal > Indiana. Plant spores. Paleobotany > Carboniferous. Paleobotany > Indiana.