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 / a compilation by M. Grace Wimarth.
| Author/creator | Wilmarth, M. Grace compiler. |
| Other author | Geological Survey (U.S.) |
| Format | Electronic |
| Publication | [Washington, D.C.] : Department of the Interior, United States Geological Survey, 1925. |
| Distribution | Washington : Government Printing Office. |
| Description | 1 online resource (vi, 138 pages). |
| Supplemental Content | https://purl.fdlp.gov/GPO/gpo61045 |
| Subjects |
| Series | Bulletin / Department of the Interior, United States Geological Survey ; 769 Bulletin (Geological Survey (U.S.)) no. 769. ^A1265100 |
| General note | Title from title screen (viewed Sept. 23, 2015). |
| Bibliography note | Includes bibliographical references and index. |
| Issued in other form | Print version: Wilmarth, M. Grace (Mary Grace), 1866-1949. Geologic time classification of the United States Geological Survey compared with other classifications, accompanied by the original definitions of era, period and epoch terms |
| GPO item number | 0620 (online) |
| Govt. docs number | I 19.3:769 |
Availability
| Library | Location | Call Number | Status | Item Actions |
|---|---|---|---|---|
| Electronic Resources | Access Content Online | ✔ Available |