2017 Map of Sumdum D-4 NE
USGS Topo · Published 2017About this map
Sawyer Glacier dominates the upper reaches of this high-latitude terrain, where ice and elevation define the borderlands of the Hoonah-Angoon Census Area. The landscape is primarily within the boundaries of the Tongass National Forest, showcasing the massive scale of the Alaskan wilderness. Along the eastern edge, the international boundary separates Alaska from Canada, with the United States of America line cutting through steep, unnamed peaks and glacial valleys. This 2017 survey provides a detailed record of the ice extent and topographical contours during the early 21st century, serving as a critical data point for understanding the physical geography of this coastal range before further glacial retreat occurs.
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Map Details
Editions of this 2017 Sumdum D-4 NE Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
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 · Sumdum D-4 SW
USGS Topo · 1:25,000
2017 · Sumdum D-4 SE
USGS Topo · 1:25,000