Occurrence and significance of marine animal remains in American coal balls /

Bibliographic Details
Main Authors:	Mamay, Sergius H., 1920- (Author), Yochelson, Ellis L. (Ellis Leon), 1928-2006 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1962.
Series:	Geological Survey professional paper ; 354-I. Shorter contributions to general geology.
Subjects:	Paleontology > Illinois. Paleontology > Iowa. Paleontology > Kansas. Paleontology > Oklahoma. Coal balls. Plant spores, Fossil.
Online Access:	https://purl.fdlp.gov/GPO/gpo86680