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 Date: 2012-12-07 14:23:05Geography of the United States Ishpeming Michigan Carp River Keweenaw Peninsula Marquette County Michigan Douglass Houghton Native metal Lake Superior Mining Geography of Michigan Michigan Upper Peninsula of Michigan |
| Back to the Future: A Perspective on History and Events That Shaped Michigan’s Lakes and Streams By: Tony Groves Water Resources Group, Progressive AEDocID: 1rjLm - View Document |
| Part of the Geologic Map of the Middle and Western States published in Natural History of New York, Part IV, Geology by James Hall 1843, Albany New York. Hall stated, “Dr. Houghton, State Geologist of Michigan, has obDocID: 1r66P - View Document |
| MINUTES of the Board of Control Michigan Technological University Houghton, MichiganDocID: CEUS - View Document |
| Michigan’s People, Places & Stories Michigan’sDocID: wZZS - View Document |
| Michigan’s People, Places & Stories Michigan’sDocID: wAJX - View Document |