Graptolite identification chart for field determination of geologic age
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Abstract
Publication type | Report |
---|---|
Publication Subtype | USGS Numbered Series |
Title | Graptolite identification chart for field determination of geologic age |
Series title | Oil and Gas Investigation Chart |
Series number | 66 |
DOI | 10.3133/oc66 |
Edition | - |
Year Published | 1972 |
Language | ENGLISH |
Description | 1 map. 22 1/2 by 35 inches |
Scale | 1000000 |
Google Analytic Metrics | Metrics page |