Middle Fork Fortymile River winds through the southeastern corner of this Alaskan interior landscape, highlighting a region defined by its prominent watercourses and high-elevation terrain. This survey reflects the remote character of the Southeast Fairbanks Census Area, where the drainage of Sand Cr and the Healy River dictate the topography across the boundaries of t27n r7e and t27n r8e. The lack of road infrastructure and human settlements in these townships underscores the area's isolation, serving as a baseline for environmental study and backcountry navigation. The contour patterns reveal deep valley incisions carved by these tributaries, mapping the natural hydrology of the Fortymile region before any modern developments or terrestrial access points were established.
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This is the sole edition of this map. No revisions or reprints were ever made.
1949 · Tanacross
USGS Topo · 1:250,000
1950 · Tanacross
USGS Topo · 1:250,000
1950 · Mount Hayes
USGS Topo · 1:250,000
1950 · Big Delta
USGS Topo · 1:250,000
1951 · Big Delta
USGS Topo · 1:250,000
1951 · Mount Hayes
USGS Topo · 1:250,000
1951 · Eagle
USGS Topo · 1:250,000
1954 · Mount Hayes D-1
USGS Topo · 1:63,360
1954 · Tanacross D-6
USGS Topo · 1:63,360
1955 · Big Delta A-1
USGS Topo · 1:63,360