
The Umcolcus Lake basin sits at the center of this 2024 landscape, marking a remote boundary between Penobscot and Aroostook counties. The interior terrain is defined by a dense network of waterways, including East Branch Umcolcus Stream, Dead Brook, and Weeks Brook, which feed into various isolated bodies of water like Black Cat Pond and McGilvry Pond. Higher ground is represented by the prominent Yerxa Ridge and Oak Hill to the northeast.
20 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Island Falls
USGS Topo · 1:62,500
1940 · Oxbow
USGS Topo · 1:62,500
1942 · Island Falls
USGS Topo · 1:62,500
1942 · Oxbow
USGS Topo · 1:62,500
1954 · Shin Pond
USGS Topo · 1:62,500
1954 · Grand Lake Seboeis
USGS Topo · 1:62,500
1954 · Presque Isle
USGS Topo · 1:250,000
1958 · Presque Isle
USGS Topo · 1:250,000
1960 · Presque Isle
USGS Topo · 1:250,000
1965 · Oxbow
USGS Topo · 1:62,500