Occurrence and significance of marine animal remains and American coal balls
By: by Sergius H. Mamay and Ellis L. Yochelson.
Contributors: Yochelson, Ellis Leon, 1928-; Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 354-I; Shorter contributions to general geology
Publisher: U.S. Government Printing Office
Published: 1962
Place of publication: Washington, DC
Language: eng
Number of pages: 224
Notes: Bibliogr.

1