
The Ivishak River flows through the southern portion of this landscape within the North Slope Borough, cutting across the mountainous terrain of the Brooks Range foothills. This 2017 survey delineates the intricate contours of the high elevations that dominate the quadrangle, including numerous peaks rising above 4,000 feet. The mapping of the Ivishak River valley provides a detailed topographic record of the river's path as it winds through township boundaries t5s r19e and t5s r20e. Because this area remains largely undeveloped and without established roads, the map serves primarily as a study of natural hydrography and high-latitude landform data. Researchers and surveyors can trace the precise drainage patterns and steep elevation changes that characterize this sub-arctic environment.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Sagavanirktok D-5
USGS Topo · 1:250,000
1951 · Brooks
USGS Topo · 1:250,000
1956 · Philip Smith Mountains
USGS Topo · 1:250,000
1956 · Sagavanirktok
USGS Topo · 1:250,000
1958 · Sagavanirktok
USGS Topo · 1:250,000
1964 · Philip Smith Mountains
USGS Topo · 1:250,000
1964 · Sagavanirktok
USGS Topo · 1:250,000
1971 · Sagavanirktok A-1
USGS Topo · 1:63,360
1971 · Philip Smith Mountains D-2
USGS Topo · 1:63,360
1971 · Sagavanirktok A-2
USGS Topo · 1:63,360