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1969 Map of Chapman Coulee

Name: 1969 Topographic Map of Chapman Coulee
Creator: U.S. Geological Survey
Published: 1978
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1978

About this map

The Milk River flows across the southern portion of this Valley County landscape, anchoring a complex network of drainage coulees and seasonal creeks. Photogrammetric methods from 1967 and field checks in 1969 reveal a sparse, wide-open territory defined by the cattle-and-water economy of the Missouri River Basin. To the north, Cornwell Reservoir serves as a critical point for water management in an otherwise arid region carved by Alkali Coulee and Wire Grass Creek.

Evidence of local resource extraction appears at the Gravel Pits located centrally, while family-named landmarks like Mooney Coulee, Richardson Coulee, and Chapman Coulee suggest the early ranching footprints in the area. This survey, updated with 1976 revisions, documents the subtle contours of the plains before late-twentieth-century changes altered the riparian environment along Antelope Creek and the river valley.