The geologic time classification of the United States Geological Survey compared with other classifications, accompanied by the original definitions of era, period and epoch terms
| Main Author: | Wilmarth, M. Grace 1866-1949, |
|---|---|
| Other Authors: | Geological Survey (U.S.) |
| Format: | eBook |
| Language: | English |
| Published: |
[Washington, D.C.] :
Department of the Interior, United States Geological Survey,
1925.
Government Printing Office. |
| Physical Description: |
1 online resource (vi, 138 pages). |
| Series: |
Bulletin (Geological Survey (U.S.)) ;
no. 769. |
| Subjects: | |
| Online Access: |
http://purl.fdlp.gov/GPO/gpo61045 |
http://purl.fdlp.gov/GPO/gpo61045
CMU Gov Pub Electronic
| Location | Call Number: | Status |
|---|---|---|
| CMU Gov Pub Electronic | I 19.3:769 | Online |