
Last Chance Cr flows through this remote stretch of the Yukon-Koyukuk region, carving a narrow valley through the interior highlands. Produced by the U.S. Geological Survey using 2010 imagery and 2019 elevation data, this topographic record details a landscape defined by sharp contour lines and the absence of permanent human settlements or established roadways. The map area is primarily organized by the Public Land Survey System, encompassing portions of t32n r40w, t32n r39w, t31n r40w, and t31n r39w. This particular quadrant reflects the raw interior of Alaska, where the natural drainage of minor waterways like Last Chance Cr provides the only significant landmarks for navigation and land classification.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Iditarod
USGS Topo · 1:250,000
1954 · Iditarod C-2
USGS Topo · 1:63,360
1954 · Iditarod D-2
USGS Topo · 1:63,360
1954 · Iditarod D-1
USGS Topo · 1:63,360
1955 · Iditarod D-1
USGS Topo · 1:63,360
1956 · Iditarod C-1
USGS Topo · 1:63,360
1956 · Iditarod
USGS Topo · 1:250,000
2019 · Iditarod D-2 NE
USGS Topo · 1:25,000
2019 · Iditarod C-2 NE
USGS Topo · 1:25,000
2019 · Iditarod D-1 NW
USGS Topo · 1:25,000