
The Sulukna River meanders through the northern reaches of this landscape, fed by a series of tributary drainages that carve into the elevated terrain of the Shepherd Mountains. This 2019 survey captures a remote interior Alaskan watershed defined by intricate watercourses such as Browns Fork and Dolomite Cr. The absence of developed roads or permanent settlements emphasizes the wilderness character of the Yukon-Koyukuk region. Topographic detail reveals the steep relief around White Mountain Cr and Johns Cr, where the land rises sharply from the river valley. For those studying the hydrology of the Alaska interior, this map provides a precise record of the drainage patterns for Shepherd Cr and Granite Cr as they flow through the public land surveys of T20S and T21S.
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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
1954 · Medfra D-3
USGS Topo · 1:63,360
1954 · Medfra C-3
USGS Topo · 1:63,360
1958 · Medfra D-2
USGS Topo · 1:63,360
1958 · Medfra C-2
USGS Topo · 1:63,360
1959 · Medfra
USGS Topo · 1:250,000
2019 · Medfra C-2 NW
USGS Topo · 1:25,000
2019 · Medfra C-3 NW
USGS Topo · 1:25,000
2019 · Medfra D-2 SW
USGS Topo · 1:25,000
2019 · Medfra C-3 SW
USGS Topo · 1:25,000