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Copper / National Register of Historic Places in Michigan / Upper Peninsula of Michigan / Calumet and Hecla Mining Company / Houghton County /  Michigan / Keweenaw National Historical Park / Alexander Emanuel Agassiz / Keweenaw Peninsula / Hecla / Geography of Michigan / Michigan / Agassiz family
Date: 2006-07-19 10:05:54
Copper
National Register of Historic Places in Michigan
Upper Peninsula of Michigan
Calumet and Hecla Mining Company
Houghton County
Michigan
Keweenaw National Historical Park
Alexander Emanuel Agassiz
Keweenaw Peninsula
Hecla
Geography of Michigan
Michigan
Agassiz family

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