
Engineer Lake and its outlet, Engineer Cr, dominate the northwestern corner of this remote Alaskan terrain in the Kusilvak Census Area. The landscape is defined by a complex network of wetlands and small water bodies, typical of the delta region’s low-lying hydrology. Surveyed for the t19n r69w and surrounding townships, the map documents a largely unsettled wilderness where natural drainage patterns and elevation contours are the primary identifiers. The presence of Engineer Cr winding through the northern sections suggests a critical drainage route for the high-latitude marshes, providing a detailed look at the unpopulated interior before any significant infrastructure or permanent settlements were established in this specific quadrangle.
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This is the sole edition of this map. No revisions or reprints were ever made.
1947 · Russian Mission
USGS Topo · 1:250,000
1950 · Russian Mission
USGS Topo · 1:250,000
1952 · Russian Mission C-8
USGS Topo · 1:63,360
1952 · Russian Mission C-7
USGS Topo · 1:63,360
1952 · Russian Mission D-8
USGS Topo · 1:63,360
1952 · Russian Mission D-7
USGS Topo · 1:63,360
1980 · Russian Mission
USGS Topo · 1:250,000
2017 · Russian Mission C-7 NW
USGS Topo · 1:25,000
2017 · Russian Mission C-8 NW
USGS Topo · 1:25,000
2017 · Russian Mission C-8 SW
USGS Topo · 1:25,000