Occurrence and significance of marine animal remains in American coal balls
By: by Sergius H. Mamay and Ellis L. Yochelson.
Contributors: Yochelson, Ellis Leon, 1928-
Series: Shorter contributions to general geology; Geological Survey professional paper -- 354-I
Publisher: U.S. Govt. Print. Off.
Published: 1962
Place of publication: Washington
Language: eng
Number of pages: 224
Subjects: Paleontology -- Illinois -- Berryville.; Paleontology -- Iowa -- Oskaloosa.; Paleontology -- Kansas -- Monmouth.; Paleontology -- Kansas -- West Mineral.; Paleontology -- Oklahoma -- McAlester.; Plant spores, Fossil.; Coal balls -- United States.
Notes: "A description of intermixtures of marine animals and land plants occurring in coal balls in Illinois, Iowa, Kansas, and Oklahoma."

Includes bibliographical references (p. 216-217) and index.