Detroit and Lake Superior Smelter

The Detroit and Lake Superior Smelter was a copper smelter located near Hancock, Michigan on the Keweenaw Waterway. It was opened in 1860 by the Portage Lake Copper Company. The company later merged with the Waterbury and Detroit Copper Company to form the Detroit and Lake Superior Company.Lankton, Larry. Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840-1990. [https://books.google.com/books?id=1__Ih6nfdSkC&dq=%22detroit%20and%20lake%20superior%22%20smelter&pg=PA40 Google Books] Page 40 The Calumet and Hecla Mining Company used the smelter until it built its own near Hubbell, Michigan and Black Rock, New York in 1887 and 1891 respectively.Lankton, Larry. Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840-1990. [https://books.google.com/books?id=1__Ih6nfdSkC&dq=%22detroit%20and%20lake%20superior%22%20smelter&pg=PA40 Google Books] Page 90

Some of the buildings still exist and are currently used by the Houghton County Road Commission.{{cite book |last1=Morin |first1=Bode J. |title=The Legacy of American Copper Smelting: Industrial Heritage versus Environmental Policy |date=2013 |publisher=Univ. of Tennessee Press |isbn=9781572339866 |page=157 |url=https://books.google.com/books?id=lGHxcDUyDmMC&pg=PA157 |language=en}}