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
Bulletin
769
By: Mary Grace Wilmarth
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- Document: Report (pdf)
- NGMDB Index Page: National Geologic Map Database Index Page (html)
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Abstract
No abstract available.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | 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 |
| Series title | Bulletin |
| Series number | 769 |
| DOI | 10.3133/b769 |
| Year Published | 1925 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | vi, 138 p. |
| Country | United States |
| Google Analytic Metrics | Metrics page |