Ehlers, George Marion, 1891–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 174044
George Marion Ehlers Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Stratigraphy and structure of the Devonian rocks in southeastern Michigan and northwestern Ohio: the annual geological excursion of the Michigan Geological Society, June 20 and 21, 1952 | 1952 | Author | |  | |  | | 
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