
Copper mining operations and the intricate rail systems of the Keweenaw Peninsula define this landscape during the early twentieth century. Concentrated around the population centers of Hancock and Houghton, the map reveals a dense network of industrial infrastructure, including the Copper Range and Electric RR lines that linked burgeoning company towns. Notable mining sites such as Franklin Mine and Atlantic Mine appear alongside smaller worker settlements like Coburntown, Limerick, and Frenchtown.
73 named features on this map. Tap any name to fly to it.
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4 editions found
1915 · Houghton
USGS Topo · 1:62,500
1941 · Ahmeek
USGS Topo · 1:31,680
1946 · Hancock
USGS Topo · 1:24,000
1946 · Chassell
USGS Topo · 1:24,000
1946 · South Range
USGS Topo · 1:24,000
1946 · Muggun Creek
USGS Topo · 1:24,000
1946 · Ahmeek
USGS Topo · 1:24,000
1946 · Laurium
USGS Topo · 1:24,000
1947 · Ahmeek
USGS Topo · 1:24,000
1948 · South Range
USGS Topo · 1:24,000