
Sheenjek River and Koness River converge in the northwestern reaches of this interior Alaskan landscape, shaping a complex network of braided channels. The terrain is defined by high-elevation ridges and drainage basins, notably around Boulder Creek in the south. This 2018 survey by the U.S. Geological Survey documents the wild hydrological patterns and topographical contours within the Yukon-Koyukuk Census Area. The lack of man-made structures or established roads highlights the area's status as a primitive wilderness where the natural movement of water across shifting riverbeds remains the primary geographic force.
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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
1972 · Coleen D-5
USGS Topo · 1:63,360
1972 · Coleen D-6
USGS Topo · 1:63,360
1983 · Coleen C-6
USGS Topo · 1:63,360
1990 · Coleen C-5
USGS Topo · 1:63,360
2018 · Coleen C-6 SW
USGS Topo · 1:25,000
2018 · Coleen D-6 SE
USGS Topo · 1:25,000
2018 · Coleen C-6 NW
USGS Topo · 1:25,000
2018 · Coleen D-6 SW
USGS Topo · 1:25,000