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- Publications
- Influence
Note on a New Species of the Eocene Crocodilian Allognathosuchus, A. Wartheni
- G. M. Ehlers
- Geography
- 13
- 2
Devonian strata of Alpena and Presque Isle Counties, Michigan
- G. M. Ehlers, R. V. Kesling
- Geography
- 1970
- 33
- 2
Stratigraphy of the Niagaran Series of the Northern Peninsula of Michigan
- G. M. Ehlers
- Geography
- 1973
- 14
- 2
New Species of the Brachiopod Cyrtina from the Middle Devonian Hamilton Strata of Southwestern Ontario
- G. M. Ehlers, J. Wright
- Geology
- 1975
Brachiopods from the Middle Devonian strata of southwestern Ontario a re removed from the over-extended species Cyrtina hamiltonensis (Hall), which i s basedupon specimens from New York state. They a… Expand
- 1
- 1
Some Middle Devonian Stromatoporoids from Michigan and Southwestern Ontario, Including the Types Described by Alexander Winchell and A.W. Grabau
- J. Galloway, G. M. Ehlers
- Geography
- 1960
- 7
- 1
Ordovician and Silurian Strata from Well Core in Schoolcraft County, Michigan
- G. M. Ehlers, R. V. Kesling, A. E. Slaughter
- Geology
- 1967
The core recovered from a well drilled near the village of Cooks in the Northern Peninsula of Michigan reveals thicknesses of several Ordovician and Silurian formations. Several of these formations… Expand
- 2