Colville River dominates the northern landscape of this North Slope region, winding through a complex network of wetlands and tundra within the t9n r4e and t9n r5e townships. This 2016 survey illustrates the dynamic hydrology of the Arctic coastal plain, where the river braids across the landscape, leaving behind numerous small thaw lakes and interconnected water bodies. Near the southern edge of the quadrangle, the Itkillik River converges toward the larger channel, highlighting a geography defined almost entirely by water and seasonal drainage patterns. The map provides a precise record of the shoreline and riverbanks as they existed during the 2009 to 2015 imagery period, offering an essential benchmark for researchers monitoring shifts in Arctic river systems.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Harrison Bay
USGS Topo · 1:250,000
1952 · Umiat
USGS Topo · 1:250,000
1955 · Harrison Bay
USGS Topo · 1:250,000
1955 · Umiat D-2
USGS Topo · 1:63,360
1955 · Harrison Bay A-2
USGS Topo · 1:63,360
1955 · Harrison Bay A-3
USGS Topo · 1:63,360
1955 · Umiat D-3
USGS Topo · 1:63,360
1956 · Umiat
USGS Topo · 1:250,000
1964 · Umiat
USGS Topo · 1:250,000
2013 · Umiat D-3 NE
USGS Topo · 1:25,000