« Previous
Next »
Subject (Region)
- Michigan[remove]270
- Upper Peninsula139
- Copper Country44
- Keweenaw Peninsula19
- Houghton County17
- Keweenaw Peninsula (Mich.)15
- Ontonagon County15
- Keweenaw County14
- United States13
- Arizona10
- Upper Peninsula (Mich.)8
- Superior, Lake6
- Houghton County (Mich.)3
- Keweenaw County (Mich.)3
- Ontonagon County (Mich.)3
- Calumet Region (Mich.)2
- Copper Falls Mine (Keweenaw County, Mich.)2
- Calumet Region1
- Calumet Region (Ill. and Ind.)1
- Copper mines and mining1