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Lithic Raw Material Assemblage
 

Chert Drawers

Lithics Home | Counties A-Z | Geologic Systems | Lithic Types |
County Maps in Iowa | Lithics Program

Drawer One - System: Quaternary  Drawer Fourteen - System:
Mississippian (Middle-Lower)
Drawer Two - System: Quaternary  Drawer Fifteen - System:
Mississippian (Lower)
Drawer Three - System: Quaternary  Drawer Sixteen - Systems:
Mississippian (Lower)
Drawer Four - System: Quaternary   Drawer Seventeen - Systems:
Mississippian (Lower)
Drawer Five - System: Quaternary  Drawer Eighteen - Systems:
Mississippian (Lower)-Devonian (Middle)
Drawer Six - Systems:
Quaternary-Pennsylvanian
 Drawer Nineteen - Systems:
Devonian (Middle)
Drawer Seven - System: Pennsylvanian  Drawer Twenty - System:
Devonian (Middle)-Silurian
(Upper)-Silurian (Lower)
Drawer Eight - System: Pennsylvanian  Drawer Twenty-one - System:
Silurian (Lower)
Drawer Nine - System:
Pennsylvanian-Mississippian (Middle)
 Drawer Twenty-two - System:
Silurian (Lower)
Drawer Ten - System:
Mississippian (Middle)
  Drawer Twenty-three - System:
Silurian (Lower)-Ordovician (Middle)
Drawer Eleven - System:
Mississippian (Middle)
  Drawer Twenty-four - System:
Ordovician (Middle)-Ordovician (Lower)
Drawer Twelve - System:
Mississippian (Middle)
  Drawer Twenty-five - System:
Ordovician (Lower)
Drawer Thirteen - System:
Mississippian (Middle)
 

Updated by Tricia R. Bender, Web Designer
Mary De La Garza, Web Master
July 2009
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