
The Nowitna River meanders in intricate loops across this interior Alaskan landscape, defining the character of the terrain within the Ruby C-4 NE region. The map illustrates a complex network of oxbow lakes, sloughs, and wetlands that have formed as the river shifts its course through the broad, low-lying valley. This hydrologic pattern, typical of the Yukon-Koyukuk Census Area, reveals the natural dynamics of a wild river system untouched by permanent settlements or industrial development at this scale. Detailed contour lines and hydrographic data from the Nowitna River basin provide an exact record of the floodplain's geometry as it existed during the 2010s.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Ruby
USGS Topo · 1:250,000
1952 · Ruby D-4
USGS Topo · 1:63,360
1952 · Ruby C-3
USGS Topo · 1:63,360
1952 · Ruby D-3
USGS Topo · 1:63,360
1952 · Ruby C-4
USGS Topo · 1:63,360
1952 · Ruby
USGS Topo · 1:250,000
1953 · Ruby D-4
USGS Topo · 1:63,360
1964 · Ruby
USGS Topo · 1:250,000
2019 · Ruby C-4 NW
USGS Topo · 1:25,000
2019 · Ruby D-4 SE
USGS Topo · 1:25,000