
Willow Cr and O'Brien Cr define the hydrological character of this interior Alaskan landscape, which is marked by high-elevation drainage patterns and steep relief. The topography is dominated by the ridges and valleys typical of the Yukon-Koyukuk region, where small seasonal waterways like Fossil Cr have carved distinct paths through the wilderness. This survey demonstrates the township and range grid system as it overlays the unpopulated territory of the northern interior, primarily focused on the natural elevations and the headwaters of these critical tributaries. The absence of roads or permanent structures reflects the primary use of this land for resource navigation or seasonal passage rather than fixed settlement.
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This is the sole edition of this map. No revisions or reprints were ever made.
1945 · Livengood
USGS Topo · 1:250,000
1951 · Livengood
USGS Topo · 1:250,000
1951 · Circle
USGS Topo · 1:250,000
1951 · Livengood C-1
USGS Topo · 1:63,360
1951 · Circle C-6
USGS Topo · 1:63,360
1954 · Circle B-6
USGS Topo · 1:63,360
1954 · Livengood C-1
USGS Topo · 1:63,360
1954 · Circle C-6
USGS Topo · 1:63,360
1954 · Livengood B-1
USGS Topo · 1:63,360
1955 · Circle
USGS Topo · 1:250,000