
The Canada United States of America international border cuts a stark diagonal across this high-altitude landscape within the Tongass National Forest. This modern 2021 survey reveals a territory defined by sharp elevation shifts and glacial terrain, where the boundary line dictates the administrative divide between Alaska and British Columbia. The topography is anchored by Mt Hill in the southeastern corner, serving as a prominent landmark on the edge of the border. Unlike more developed regions, this map shows a wilderness area largely devoid of roads or permanent settlements, emphasizing the geographic isolation of the boundary peaks and the protection of the surrounding national forest lands. The presence of the Public Land Survey System grids, such as t44s r75e, illustrates how even this remote mountain terrain is mathematically partitioned for federal land management.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Taku River A-4
USGS Topo · 1:63,360
1952 · Sumdum
USGS Topo · 1:250,000
1953 · Taku River
USGS Topo · 1:250,000
1960 · Taku River
USGS Topo · 1:250,000
1960 · Sumdum D-4
USGS Topo · 1:63,360
1961 · Sumdum D-3
USGS Topo · 1:63,360
1961 · Sumdum
USGS Topo · 1:250,000
1994 · Sumdum D-4
USGS Topo · 1:63,360
2017 · Taku River A-4 NE
USGS Topo · 1:25,000
2017 · Taku River A-4 SW
USGS Topo · 1:25,000