Distribution of the Middle Ordovician Copenhagen formation and its trilobites in Nevada /
Saved in:
| Author / Creator: | Ross, Reuben James, 1918- author. |
|---|---|
| Imprint: | Washington : United States Department of the Interior, Geological Survey, 1972. |
| Description: | 1 online resource (iii, 33 pages, 8 unnumbered pages of plates) : illustrations, map. |
| Language: | English |
| Series: | Geological Survey professional paper ; 749 Geological Survey professional paper ; 749. |
| Subject: | |
| Format: | E-Resource U.S. Federal Government Document Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11555962 |