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2012 Map of Four Bear Creek

Name: 2012 Topographic Map of Four Bear Creek
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

Lake Oahe dominates this Dewey County landscape, its expansive waters filling the Missouri River valley and creating a complex network of inlets and peninsulas. The map details the jagged shoreline where the Missouri's ancient tributaries now meet the reservoir, including Four Bear Cr in the north and the meandering Buffalo Cr. These submerged valleys form prominent geographic features such as Buffalo Bay, Steamboat Bay, and Swift Bird Bay, which define the local topography.

Away from the water's edge, the terrain transitions into the high plains of South Dakota, sparsely marked by features like Dodge Draw Rd and the drainage of Buck Cr. The contrast between the massive man-made reservoir and the surrounding natural drainages illustrates the mid-century transformation of the river valley into a structured water system, while keeping the original creek names as identifiers for the modern bays.