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2020 Map of Cow Island

Name: 2020 Topographic Map of Cow Island
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Missouri River waters wind through a deeply eroded landscape in this modern topographic survey, defining the intersection of Blaine, Fergus, and Phillips Counties. Centered on Cow Island, the map documents a corridor of historic significance where the river's path is carved through high plains terrain. Numerous named drainages, including Cow Creek and the evocatively named Kills-at-Night Cr, feed into the main channel, illustrating the complex hydrology of this part of Montana.

The land is divided by the Public Land Survey System, with boundaries such as t24n r22e and t23n r21e clearly marked. These survey lines provide a grid over the winding course of the river and its tributaries like Woodhawk Cr and Bull Cr. While the terrain is characterized by intricate contouring, the absence of developed towns emphasizes the area's role as a natural and administrative boundary zone.