Corp of Engineers Survey Marker Portal in Burr Oak Ohio United States
| # | Image | Mod | Area | L | R | HP | Days |
|---|---|---|---|---|---|---|---|
| 1 |  Corp of Engineers Survey Marker | -- | 1 | 1 | 10% | 408 | |
| 2 |  Corp of Engineers Survey Marker | -- | 4 | 8 | 55% | 118 | |
| # | Image | Mod | Area | L | R | HP | Days |
|---|---|---|---|---|---|---|---|
| 1 | Corp of Engineers Survey Marker | -- | 1 | 1 | 10% | 408 | |
| 2 | Corp of Engineers Survey Marker | -- | 4 | 8 | 55% | 118 | |