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- Annotations (Provenance)--20th century✖[remove]5
- Cadastral maps4
- Cadastral maps.1
- Maps1
- Mine maps.1
- Copper mines and mining--Michigan--Keweenaw County--Maps.3
- Copper mines and mining1
- Copper mines and mining--Michigan--Keweenaw Peninsula--Maps.1
- Copper mines and mining--Michigan--Ontonagon County--Maps.1
- Landowners1
- Landowners--Michigan--Keweenaw County--Maps.1
- Mines and mineral resources1
- Mines and mineral resources--1
Current results range from 1859 to 1913