Devonian (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 | |