
Public Land Survey System boundaries define this remote section of the Yukon-Koyukuk Census Area, providing a precise grid for the uninhabited interior. The landscape is characterized by complex hydrography, with numerous unnamed lakes and wetlands interspersed throughout the terrain. These township and range identifiers, including T21n R20e and T20n R21e, delineate the administrative structure of the Alaskan wilderness during the early 21st century. While no permanent settlements or named roads appear on this sheet, the intricate network of water bodies illustrates the seasonal hydrology of the Black River region. This survey serves as a record of the natural state of the land, captured by U.S. Department of the Interior data sources before any significant modern development or named infrastructure reached this corner of the state.
6 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Black River
USGS Topo · 1:250,000
1956 · Black River B-6
USGS Topo · 1:63,360
1956 · Black River B-5
USGS Topo · 1:63,360
1956 · Black River C-6
USGS Topo · 1:63,360
1956 · Black River C-5
USGS Topo · 1:63,360
1956 · Black River
USGS Topo · 1:250,000
1964 · Black River
USGS Topo · 1:250,000
2018 · Black River B-5 NW
USGS Topo · 1:25,000
2018 · Black River B-5 NE
USGS Topo · 1:25,000
2018 · Black River C-6 SE
USGS Topo · 1:25,000