The international boundary between the United States and Canada defines the high-altitude landscape of this 2021 survey, where the peaks of the Boundary Mountains form a natural divide. Rising to prominence are Merrill Mtn and Van Dyke Mtn, which overlook a network of drainages that feed into both nations. The terrain is characterized by its hydrological features, including the remote Lower Nathan Bog and the headwaters of Kibby Stream and W Br Moose River. This modern topographic study illustrates how the international line weaves across the summits of Caribou Mtn and Mt Pisgah, reflecting a border established by natural topography. The absence of roads or settlements emphasizes the wilderness character of this region, where drainage systems like Mill Brook and Number One Brook carve through steep elevation gradients near the border crossings.
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This is the sole edition of this map. No revisions or reprints were ever made.
1928 · Chain Lakes
USGS Topo · 1:48,000
1928 · Skinner
USGS Topo · 1:48,000
1931 · Skinner
USGS Topo · 1:62,500
1932 · Arnold Pond
USGS Topo · 1:48,000
1932 · Chain Lakes
USGS Topo · 1:62,500
1935 · Chain Lakes
USGS Topo · 1:62,500
1935 · Arnold Pond
USGS Topo · 1:62,500
1949 · Jackman
USGS Topo · 1:250,000
1951 · Chain Lakes
USGS Topo · 1:50,000
1963 · Jackman
USGS Topo · 1:250,000