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Daysville Dolomite Member
|category9=Dolomite |tree4=Daysville Dolomite Member

3 KB (366 words) - 18:27, 12 January 2017
Glenwood Formation
...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p. The Glenwood, a highly varied unit of sandstone, dolomite, and shale overlying the St. Peter Sandstone, is named for Glenwood Townshi

5 KB (682 words) - 18:18, 12 January 2017
Ottawa Limestone Megagroup
...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p. ...the St. Peter Sandstone is absent, the Ottawa Megagroup rests on the Knox Dolomite Megagroup but generally is readily distinguished from it.

3 KB (372 words) - 16:34, 12 January 2017
Loughridge Sandstone Member
|tree4=Loughridge Sandstone Member ...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.

2 KB (319 words) - 18:22, 12 January 2017
Nokomis Sandstone Member
|tree4=Nokomis Sandstone Member ...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.

3 KB (337 words) - 18:26, 12 January 2017
Search:Ordovician System
rect 102 852 132 954 [[Knox_Dolomite_Megagroup|Knox Dolomite Megagroup]] ...0 897 293 897 294 893 197 894 196 897 191 897 [[Shakopee_Dolomite|Shakopee Dolomite]]

8 KB (774 words) - 14:49, 30 March 2020

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