U.S. Coast and Geodetic Survey Reference Mark Portal in Port Washington Wisconsin United States
| # | Image | Mod | Area | L | R | HP | Days |
|---|---|---|---|---|---|---|---|
| 1 |  U. S. Coast and Geodetic Survey Reference Mark | -- | 3 | 8 | 70% | 84 | |
| 2 |  U.S. Coast and Geodetic Survey Reference Mark | -- | 6 | 8 | 24% | 26 | |
| # | Image | Mod | Area | L | R | HP | Days |
|---|---|---|---|---|---|---|---|
| 1 | U. S. Coast and Geodetic Survey Reference Mark | -- | 3 | 8 | 70% | 84 | |
| 2 | U.S. Coast and Geodetic Survey Reference Mark | -- | 6 | 8 | 24% | 26 | |