
The Innoko River winds through this interior Alaskan wilderness, defining a landscape dominated by shifting watercourses and complex drainage patterns. This 2019 survey documents the intricate meanders and oxbow lakes typical of the region, where the river's path is constantly reshaped by the seasons. Tributaries such as Twomile Cr and Fourmile Cr feed into the main channel from the west, while the eastern terrain rises toward more defined ridges. The convergence of McLean Cr, Hunch Cr, and Caribou Cr in the southern sections illustrates a rugged, roadless geography where travel has historically relied on these seasonal waterways. For those studying the Yukon-Koyukuk region, the map provides a precise look at the township and range lines of T20S and T21S as they overlay this undisturbed natural environment.
10 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Ophir
USGS Topo · 1:250,000
1954 · Ophir D-1
USGS Topo · 1:63,360
1954 · Ophir C-1
USGS Topo · 1:63,360
1954 · Ophir C-2
USGS Topo · 1:63,360
1954 · Ophir D-2
USGS Topo · 1:63,360
1954 · Ophir
USGS Topo · 1:250,000
2019 · Ophir C-1 NE
USGS Topo · 1:25,000
2019 · Ophir C-2 NE
USGS Topo · 1:25,000
2019 · Ophir C-2 SE
USGS Topo · 1:25,000
2019 · Ophir D-2 SE
USGS Topo · 1:25,000