Porters Island, MI
Interactive topo map of Porters Island, MI
| Place Name: | Porters Island |
| Feature Class: | Island |
| US State: | MI |
| County: | Keweenaw |
| Latitude: | 47.47 |
| Longitude: | -87.88 |
| Elevation (meters): | 189 m |
| Elevation (feet): | 620′ |
| USGS Quad: | Lake Medora topo map |
| 7.5´ topo: |  |
| State topo index: | MI topo index |
| Alternate map versions: | MI topographic maps Editions by year, direct download as GeoPDF. |
| 30´ x 60´ topo: | 1:100,000 scale map |
| 1° x 2° topo: | 1:250,000 scale map |