Map of the Mineral District of Northern Michigan Showing the Copper Country in Keweenaw, Houghton, and Ontonagon Counties, Also Marquette, Gogebic and Menominee Iron Ranges, Page 4
IO_37a62bcb-2042-4a32-aaab-c5624369d3b1
Map of the Mineral District of Northern Michigan Showing the Copper Country in Keweenaw, Houghton, and Ontonagon Counties, Also Marquette, Gogebic and Menominee Iron Ranges, Page 2
IO_34f5deb7-3fde-4a51-9c92-1985747519bb
Map of the Mineral District of Northern Michigan Showing the Copper Country in Keweenaw, Houghton, and Ontonagon Counties, Also Marquette, Gogebic and Menominee Iron Ranges, Page 3
IO_a4d92bf9-d653-458a-af0e-a9b7af885ba0
Map of the Mineral District of Northern Michigan Showing the Copper Country in Keweenaw, Houghton, and Ontonagon Counties, Also Marquette, Gogebic and Menominee Iron Ranges, Page 1
IO_96c9d71a-7abe-49e0-96dd-7920db400ad3
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