
Telsitna Ridge dominates the central landscape of this interior Alaska quadrangle, forming a prominent height of land between two distinct river drainages. The Telsitna River meanders through the northwestern portion of the map, while the Paradise Fork Sethkokna River flows through the southeastern sections. The terrain is defined by complex contouring and significant elevation changes, reflecting the wilderness character of the Yukon-Koyukuk region. This survey highlights the undeveloped nature of the area, where natural watercourses and ridge lines serve as the primary landmarks in a landscape devoid of established roads or permanent settlements.
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This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Medfra
USGS Topo · 1:250,000
1951 · Ruby
USGS Topo · 1:250,000
1952 · Ruby A-2
USGS Topo · 1:63,360
1952 · Ruby A-1
USGS Topo · 1:63,360
1952 · Ruby
USGS Topo · 1:250,000
1958 · Medfra D-2
USGS Topo · 1:63,360
1958 · Medfra D-1
USGS Topo · 1:63,360
1959 · Medfra
USGS Topo · 1:250,000
1964 · Ruby
USGS Topo · 1:250,000
2019 · Medfra D-2 SE
USGS Topo · 1:25,000