
Grass River meanders across this low-lying landscape, defining the character of the southeastern Fort Yukon C-1 SE quadrangle. The terrain is marked by a complex network of wetlands and small water bodies, indicative of the alluvial processes at work north of the Arctic Circle. The absence of roads or permanent settlements in this 2018 survey emphasizes the isolation of the Yukon-Koyukuk region, where the natural hydrography governs the land. Surveyed boundaries for Township 19, 20, and 21 North delineate the vast reaches of the interior, providing a foundational grid for land management in this remote stretch of the Alaska wilderness.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Fort Yukon
USGS Topo · 1:250,000
1951 · Black River
USGS Topo · 1:250,000
1956 · Fort Yukon C-1
USGS Topo · 1:63,360
1956 · Black River B-6
USGS Topo · 1:63,360
1956 · Black River C-6
USGS Topo · 1:63,360
1956 · Fort Yukon B-1
USGS Topo · 1:63,360
1956 · Fort Yukon
USGS Topo · 1:250,000
1956 · Black River
USGS Topo · 1:250,000
1964 · Black River
USGS Topo · 1:250,000
2018 · Fort Yukon B-1 NW
USGS Topo · 1:25,000