Devonian (Middle & Lower)

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Quaternary | Pennsylvanian | Mississippian (Middle) | Mississippian (Lower) | Devonian (Middle & Lower) | Silurian (Upper & Lower) | Ordovician (Middle & Lower)

Geologic Systems Devonian (Middle & Lower)
System Drawer # Lithic Type County County Exp. # Cat. # Heated Exposure
Devonian (Middle) 19 Wapsipinicon Linn LN-A 10   O
Devonian (Middle) 19 Wapsipinicon Linn LN-A+ 10 + O
Devonian (Middle) 19 Wapsipinicon Linn LN-C 148   Q
Devonian (Middle) 19 Wapsipinicon Linn LN-C+ 148 + Q
Devonian (Middle) 19 Wapsipinicon Linn LN-E 449    
Devonian (Middle) 19 Wapsipinicon Linn LN-E+ 449 +  
Devonian (Middle) 19 Wapsipinicon Linn LN-H 496    
Devonian (Middle) 19 Wapsipinicon Linn LN-H+ 496 +  
Devonian (Middle) 19 Wapsipinicon Linn LN-J 498    
Devonian (Middle) 19 Wapsipinicon Linn LN-J+ 498 +  
Devonian (Middle) 19 Wapsipinicon Linn LN-K 499    
Devonian (Middle) 19 Wapsipinicon Linn LN-K+ 499 +  
Devonian (Middle) 19 Wapsipinicon Linn LN-L 500    
Devonian (Middle) 19 Wapsipinicon Linn LN-L+ 500 +  
Devonian (Middle) 19 Wapsipinicon Linn LN-M 501    
Devonian (Middle) 19 Wapsipinicon Linn LN-M+ 501 +  
Devonian (Middle) 19 Grand Meadow Hardin HA-C 445    
Devonian (Middle) 19 Grand Meadow Hardin HA-C+ 445 +  
Devonian (Middle) 19 Grand Meadow Howard HW-A 114   Q
Devonian (Middle) 19 Grand Meadow Howard HW-A+ 114 + Q
Devonian (Lower) 19 State Quarry Member Johnson JH-D 444    
Devonian (Lower) 19 State Quarry Member Johnson JH-D+ 444 +  
Devonian (Lower) 19 Kenwood Member Johnson JH-E 446    
Devonian (Lower) 19 Kenwood Member Johnson JH-E+ 446 0