South Arm Knife Lake and Ensign Lake dominate this borderland landscape, illustrating the intricate network of waterways defining the Minnesota-Ontario boundary. The terrain is characterized by a high density of interconnected water bodies, from the sprawling Ima Lake in the south to Portage Lake and Melon Lake further north. These natural corridors, linked by historical transit points like Carp Portage, reflect the traditional reliance on canoe travel through this lake-rich region.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Two Harbors
USGS Topo · 1:250,000
1957 · Two Harbors
USGS Topo · 1:250,000
1957 · Ensign Lake
USGS Topo · 1:62,500
1957 · Quetico
USGS Topo · 1:250,000
1958 · Two Harbors
USGS Topo · 1:250,000
1959 · Kekekabic Lake
USGS Topo · 1:24,000
1959 · Dutton Lake
USGS Topo · 1:24,000
1960 · Alice Lake
USGS Topo · 1:24,000
1964 · Two Harbors
USGS Topo · 1:250,000
1968 · Quetico
USGS Topo · 1:250,000