Graptolite identification chart for field determination of geologic age
January 1, 1972
No abstract available.
Citation Information
Publication Year | 1972 |
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Title | Graptolite identification chart for field determination of geologic age |
DOI | 10.3133/oc66 |
Authors | Michael Churkin, Claire Carter |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Oil and Gas Investigation Chart |
Series Number | 66 |
Index ID | oc66 |
Record Source | USGS Publications Warehouse |