
The interior landscape of the Yukon-Koyukuk Census Area is meticulously gridded by the Public Land Survey System in this 2018 study. Defined by the boundaries of T15n R18e, T15n R19e, T14n R18e, and T14n R19e, the area is characterized by complex hydrology and wetland patterns typical of the Alaskan wilderness. This map records the elevation and water networks of the Black River region prior to recent environmental shifts, providing a precise baseline for researchers tracking the movement of water across this untracked terrain. With no roads or named settlements present, the survey emphasizes the natural topography and the legal township divisions that govern this remote section of the state.
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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 · Charley River
USGS Topo · 1:250,000
1951 · Black River
USGS Topo · 1:250,000
1951 · Circle
USGS Topo · 1:250,000
1955 · Circle D-1
USGS Topo · 1:63,360
1955 · Circle
USGS Topo · 1:250,000
1956 · Fort Yukon A-1
USGS Topo · 1:63,360
1956 · Black River A-6
USGS Topo · 1:63,360
1956 · Fort Yukon
USGS Topo · 1:250,000
1956 · Black River
USGS Topo · 1:250,000