![Upper Peninsula of Michigan / Copper / Keweenaw National Historical Park / Keweenaw Peninsula / Houghton micropolitan area / Calumet High School / Calumet and Hecla Mining Company / Copper mining in Michigan / Geography of Michigan / Michigan / National Register of Historic Places in Michigan Upper Peninsula of Michigan / Copper / Keweenaw National Historical Park / Keweenaw Peninsula / Houghton micropolitan area / Calumet High School / Calumet and Hecla Mining Company / Copper mining in Michigan / Geography of Michigan / Michigan / National Register of Historic Places in Michigan](https://www.pdfsearch.io/img/40a2987a52dd7bced255cdadfa981f19.jpg) Date: 2009-10-27 12:12:44Upper Peninsula of Michigan Copper Keweenaw National Historical Park Keweenaw Peninsula Houghton micropolitan area Calumet High School Calumet and Hecla Mining Company Copper mining in Michigan Geography of Michigan Michigan National Register of Historic Places in Michigan | | Keweenaw National Park Service U.S. Department of the Interior Keweenaw National Historical ParkAdd to Reading ListSource URL: www.nps.govDownload Document from Source Website File Size: 102,69 KBShare Document on Facebook
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