
The Yukon-Koyukuk Census Area landscape is defined by the rigid grid of the Public Land Survey System in this 2018 survey. The terrain is marked by the intersection of several townships, including T29n R22e and T29n R23e. While the map is sparse of man-made structures or named settlements, the intricate contour lines reveal the physical reality of the subarctic environment, specifically showing the transition from higher elevations in the south near T28n R23e and T28n R24e toward the lower northern reaches of T30n R22e. This sheet provides a detailed study of the topographical layout of the Coleen B-4 SE region as it existed in the early twenty-first century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Coleen
USGS Topo · 1:250,000
1956 · Coleen
USGS Topo · 1:250,000
1956 · Coleen A-3
USGS Topo · 1:63,360
1956 · Coleen A-4
USGS Topo · 1:63,360
1990 · Coleen B-3
USGS Topo · 1:63,360
1990 · Coleen B-4
USGS Topo · 1:63,360
2018 · Coleen A-3 NW
USGS Topo · 1:25,000
2018 · Coleen A-4 NE
USGS Topo · 1:25,000
2018 · Coleen B-3 SW
USGS Topo · 1:25,000
2018 · Coleen B-4 SW
USGS Topo · 1:25,000