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  • Spar Mountain Sandstone Member
    |category7=Sandstone |tree3=Spar Mountain Sandstone Member
    3 KB (435 words) - 14:58, 22 October 2019
  • Aux Vases Sandstone
    |category7=Aux Vases Sandstone |category8=Sandstone
    4 KB (606 words) - 21:35, 21 October 2019
  • Ste. Genevieve Limestone
    ...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p. ...downward steps to the west as the upper limestone beds grade westward into sandstone.
    5 KB (728 words) - 15:19, 22 October 2019
  • Rosiclare Sandstone Member
    |category7=Aux Vases Sandstone |category8=Sandstone
    3 KB (412 words) - 15:38, 18 January 2017
  • Pope Megagroup
    ...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p. ...egagroup, except for minor erosional channels at the base of the Aux Vases Sandstone. It is separated from the overlying Pennsylvanian System by a major unconfo
    3 KB (446 words) - 16:00, 13 January 2017
  • Fredonia Limestone Member
    |tree3=Fredonia Limestone Member ...ndbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.
    3 KB (359 words) - 15:09, 22 October 2019
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