Winnetka Member
Remarks
The Winnetka Member has been abandoned. The facies is now described as part of the Lake Michigan Member.
References
HANSEL, Ardith K. and W. Hilton JOHNSON, 1996, Wedron and Mason Groups: Lithostratigraphic Reclassification of Deposits of the Wisconsin Episode, Lake Michigan Lobe Area: Illinois State Geological Survey Bulletin 104, 116 p.
ISGS Codes
| Stratigraphic Code | Geo Unit Designation |
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