
Uninhabited Alaskan interior land in the Yukon-Koyukuk region is defined by complex contour lines and wilderness terrain. This area, largely untouched by infrastructure or permanent settlements, is gridded by the Public Land Survey System, including T4s R21e, T4s R22e, and T5s R22e. The lack of named roads or buildings suggests a landscape primarily influenced by natural drainage and elevation changes, typical of the remote northern latitudes where surveying focused on defining large-scale legal boundaries across T5s R23e and T6s R22e.
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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
1951 · Melozitna
USGS Topo · 1:250,000
1952 · Ruby D-4
USGS Topo · 1:63,360
1952 · Ruby D-3
USGS Topo · 1:63,360
1952 · Ruby
USGS Topo · 1:250,000
1953 · Melozitna A-4
USGS Topo · 1:63,360
1953 · Ruby D-4
USGS Topo · 1:63,360
1954 · Melozitna A-3
USGS Topo · 1:63,360
1956 · Melozitna
USGS Topo · 1:250,000
1964 · Ruby
USGS Topo · 1:250,000