Tongass National Forest dominates this coastal Alaska terrain, where the saltwater of North Arm Port Houghton reaches deep into the glacial landscape of the Coast Mountains. This 2017 survey details a high-relief environment defined by sharp elevation changes, culminating in the prominent Washington Peak in the southwest. The map provides a precise view of the complex hydrology and forest boundaries within the Petersburg Borough, tracing the shoreline where tidal waters meet the mountain foothills. The absence of roads or permanent settlements underscores the wilderness character of the region, emphasizing the natural topography and the forest service management areas including t52s r76e and t53s r77e.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Sumdum B-4
USGS Topo · 1:63,360
1948 · Sumdum A-4
USGS Topo · 1:63,360
1948 · Sumdum B-4
USGS Topo · 1:63,360
1951 · Sumdum A-4
USGS Topo · 1:63,360
1952 · Sumdum
USGS Topo · 1:250,000
1961 · Sumdum A-3
USGS Topo · 1:63,360
1961 · Sumdum B-3
USGS Topo · 1:63,360
1961 · Sumdum
USGS Topo · 1:250,000
1996 · Sumdum B-3
USGS Topo · 1:63,360
1996 · Sumdum B-4
USGS Topo · 1:63,360