
Torch Lake and Portage Lake define this mid-century landscape of the Keweenaw Peninsula, where the legacy of the copper industry remains visible in the terrain. Rail transport was central to the area's economy, with the Copper Range and DSS&A railroads skirting the shorelines and connecting industrial settlements like Dollar Bay and Senter. Near Point Mills, a significant Mine Dump is charted, illustrating the scale of local extraction and processing.
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3 editions found
1915 · Houghton
USGS Topo · 1:62,500
1946 · Hancock
USGS Topo · 1:24,000
1946 · Chassell
USGS Topo · 1:24,000
1946 · Laurium
USGS Topo · 1:24,000
1948 · Laurium
USGS Topo · 1:24,000
1948 · Hancock
USGS Topo · 1:24,000
1948 · Chassell
USGS Topo · 1:24,000
1954 · Traverse Island
USGS Topo · 1:24,000
1954 · Rice Lake
USGS Topo · 1:24,000
1954 · Keweenaw Bay
USGS Topo · 1:62,500