
The Innoko River winds through the heart of this interior Alaskan wilderness, cutting through the eastern reaches of the Kuskokwim Mountains. In this landscape, drainage patterns define the geography, with major tributaries such as Dominion Cr and Henry Cr flowing from the high ground of Caribou Mtn. This part of the Yukon-Koyukuk region is characterized by significant topographical shifts, where the high ridges of the Kuskokwim range descend toward the active river valley. The map details the intricate hydrography of the sub-arctic terrain, including smaller named flows like Fourmile Cr and Frying Pan Cr, which are essential markers for navigating this roadless expanse. This survey provides a precise account of the natural boundaries and elevation contours of a region primarily defined by its hydrology and mountain landforms.
13 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 A-2
USGS Topo · 1:63,360
1954 · Ophir A-1
USGS Topo · 1:63,360
1954 · Ophir B-1
USGS Topo · 1:63,360
1954 · Ophir B-2
USGS Topo · 1:63,360
1954 · Ophir
USGS Topo · 1:250,000
1965 · Ophir B-2
USGS Topo · 1:63,360
2019 · Ophir B-2 SW
USGS Topo · 1:25,000
2019 · Ophir B-2 NE
USGS Topo · 1:25,000
2019 · Ophir A-1 NW
USGS Topo · 1:25,000