1870
Unknown, 1859
Unknown, -399
Unknown, -470
Unknown, -525
Unknown, 1928
Unknown, 1480
Unknown, 1880
Unknown, -499
Unknown, 300
Unknown, 1200
Unknown
Unknown, 1861
![Jackson Iron Mine, looking through the Tunnel. [Marquette and Vicinity. Lake Superior.]](https://media.getty.edu/iiif/image/6a4a9430-b6ac-48df-9309-9e0abfc6db0a/full/843,/0/default.jpg)
