21![Environment of the United States / Great Lakes Areas of Concern / Water supply and sanitation in the United States / Torch Lake / Keweenaw Waterway / Michigan Department of Environmental Quality / Trap Rock River / Keweenaw / Houghton County / Michigan / Geography of Michigan / Michigan / Environment of Canada Environment of the United States / Great Lakes Areas of Concern / Water supply and sanitation in the United States / Torch Lake / Keweenaw Waterway / Michigan Department of Environmental Quality / Trap Rock River / Keweenaw / Houghton County / Michigan / Geography of Michigan / Michigan / Environment of Canada](/pdf-icon.png) | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2009-10-07 13:24:55
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22![Upper Peninsula of Michigan / Eagle River / Michigan / Keweenaw Peninsula / Keweenaw County / Michigan / Stamp sand / Houghton / Michigan / Copper Country / Keweenaw Waterway / National Register of Historic Places listings in Keweenaw County / Michigan / Geography of Michigan / Michigan / Houghton micropolitan area Upper Peninsula of Michigan / Eagle River / Michigan / Keweenaw Peninsula / Keweenaw County / Michigan / Stamp sand / Houghton / Michigan / Copper Country / Keweenaw Waterway / National Register of Historic Places listings in Keweenaw County / Michigan / Geography of Michigan / Michigan / Houghton micropolitan area](/pdf-icon.png) | Add to Reading ListSource URL: www.michigan.govLanguage: English - Date: 2012-12-07 19:56:18
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23![Upper Peninsula of Michigan / Canada–United States border / Great Lakes Waterway / Lake Superior / Keweenaw Waterway / Keweenaw Peninsula / Savanna Portage State Park / Tettegouche State Park / Porcupine Mountains / Geography of Michigan / Geography of the United States / Michigan Upper Peninsula of Michigan / Canada–United States border / Great Lakes Waterway / Lake Superior / Keweenaw Waterway / Keweenaw Peninsula / Savanna Portage State Park / Tettegouche State Park / Porcupine Mountains / Geography of Michigan / Geography of the United States / Michigan](/pdf-icon.png) | Add to Reading ListSource URL: www.lic.wisc.eduLanguage: English - Date: 2010-11-10 14:04:34
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24![Soil contamination / Geotechnical engineering / Houghton micropolitan area / Aquifers / Phase I environmental site assessment / Soil / Hancock / Michigan / Keweenaw Waterway / Groundwater / Environment / Geography of Michigan / Water Soil contamination / Geotechnical engineering / Houghton micropolitan area / Aquifers / Phase I environmental site assessment / Soil / Hancock / Michigan / Keweenaw Waterway / Groundwater / Environment / Geography of Michigan / Water](/pdf-icon.png) | Add to Reading ListSource URL: www.keweenaw.orgLanguage: English - Date: 2013-08-20 09:33:10
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25![Michigan / Houghton / Michigan / Keweenaw Waterway / Houghton County / Michigan / Cleveland / Geography of Michigan / Houghton micropolitan area / Geography of the United States Michigan / Houghton / Michigan / Keweenaw Waterway / Houghton County / Michigan / Cleveland / Geography of Michigan / Houghton micropolitan area / Geography of the United States](/pdf-icon.png) | Add to Reading ListSource URL: www.keweenaw.orgLanguage: English - Date: 2013-08-20 09:33:02
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26![Great Lakes Waterway / Canada–United States border / Upper Peninsula of Michigan / St. Marys River / Keweenaw Waterway / Portage River / Keweenaw Peninsula / Soo Locks / Sault Ste. Marie / Ontario / Geography of Michigan / Michigan / Geography of the United States Great Lakes Waterway / Canada–United States border / Upper Peninsula of Michigan / St. Marys River / Keweenaw Waterway / Portage River / Keweenaw Peninsula / Soo Locks / Sault Ste. Marie / Ontario / Geography of Michigan / Michigan / Geography of the United States](/pdf-icon.png) | Add to Reading ListSource URL: corpslakes.usace.army.milLanguage: English - Date: 2013-10-18 13:31:49
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27![Upper Peninsula of Michigan / National Register of Historic Places in Michigan / Isle Royale National Park / Keweenaw National Historical Park / Quincy Smelter / Keweenaw Peninsula / Keweenaw Waterway / Keweenaw County / Michigan / Isle Royale / Geography of Michigan / Michigan / Houghton micropolitan area Upper Peninsula of Michigan / National Register of Historic Places in Michigan / Isle Royale National Park / Keweenaw National Historical Park / Quincy Smelter / Keweenaw Peninsula / Keweenaw Waterway / Keweenaw County / Michigan / Isle Royale / Geography of Michigan / Michigan / Houghton micropolitan area](/pdf-icon.png) | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2014-03-24 22:27:34
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28![Houghton County / Michigan / Hancock / Michigan / Keweenaw Peninsula / Houghton / Michigan / Keweenaw County / Michigan / Torch Lake / Keweenaw Waterway / Upper Peninsula of Michigan / Sturgeon River / Geography of Michigan / Michigan / Houghton micropolitan area Houghton County / Michigan / Hancock / Michigan / Keweenaw Peninsula / Houghton / Michigan / Keweenaw County / Michigan / Torch Lake / Keweenaw Waterway / Upper Peninsula of Michigan / Sturgeon River / Geography of Michigan / Michigan / Houghton micropolitan area](/pdf-icon.png) | Add to Reading ListSource URL: www.houghtoncounty.netLanguage: English - Date: 2008-05-26 09:03:11
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29![Copper / Native element minerals / Houghton County / Michigan / Keweenaw Peninsula / Isle Royale / Copper Country / Minesota Mine / Native copper / Keweenaw Waterway / Geography of Michigan / Michigan / Upper Peninsula of Michigan Copper / Native element minerals / Houghton County / Michigan / Keweenaw Peninsula / Isle Royale / Copper Country / Minesota Mine / Native copper / Keweenaw Waterway / Geography of Michigan / Michigan / Upper Peninsula of Michigan](/pdf-icon.png) | Add to Reading ListSource URL: www.michigan.govLanguage: English - Date: 2012-12-07 14:29:55
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30![Upper Peninsula of Michigan / Atlantic Mill / Houghton County / Michigan / Redridge Steel Dam / Stamp mill / Baltic mill / Copper Range Company / Stamp sand / Keweenaw Waterway / Geography of Michigan / Michigan / Mining equipment Upper Peninsula of Michigan / Atlantic Mill / Houghton County / Michigan / Redridge Steel Dam / Stamp mill / Baltic mill / Copper Range Company / Stamp sand / Keweenaw Waterway / Geography of Michigan / Michigan / Mining equipment](/pdf-icon.png) | Add to Reading ListSource URL: www.stantontownship.comLanguage: English - Date: 2011-01-14 13:47:31
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