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2018 Map of Fort Yukon A-4 NE

Name: 2018 Topographic Map of Fort Yukon A-4 NE
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

The lowlands of the Yukon Flats dominate this landscape, characterized by an intricate network of wetlands and small water bodies that shift across the terrain. This interior Alaskan region is defined by its hydrologic complexity, where meandering drainages like Discovery Creek thread through a dense concentration of unnamed ponds and marshes. The map reveals a wild, roadless expanse where the natural topography is shaped more by seasonal water cycles than human development.

Notable features such as Twin Island Lake provide specific geographic anchors within the broader basin. The survey illustrates the transition from the saturated flats toward the slightly more elevated ground in the southern sections, marking the subtle boundaries of the interior river valleys during the early twenty-first century. For those studying the environmental history of the Yukon-Koyukuk region, this map serves as a primary record of the area's intricate drainage patterns and pristine wilderness character.