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1990 Map of Christian A-1
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1990 Map of Christian A-1

USGS Topo · Published 1990

About this map

The Sheenjek River winds through the heart of this Alaskan interior landscape, displaying an intricate braided channel and numerous oxbow lakes characteristic of the region. This portion of the Yukon Flats National Wildlife Refuge is defined by a complex network of wetlands and seasonal ponds, providing a detailed record of the shifting riverbed and hydrology in the late 20th century. Surveyed by the U.S. Geological Survey using photography from the late 1970s and early 1980s, the map provides a precision study of this roadless environment. Researchers can observe how the river system continuously reshapes the basin, creating a dynamic environment for local wildlife and traditional land use within the refuge boundaries.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.8 inches

Editions of this 1990 Christian A-1 Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain