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1989 Map of Dewey Flat

Name: 1989 Topographic Map of Dewey Flat
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

The San Carlos Reservoir dominates this landscape within the San Carlos Indian Reservation, capturing the Gila River behind the engineering of the nearby dam. This late 1980s survey illustrates a rugged desert environment where water management and transportation are the primary human imprints. The Coolidge Dam Road provides access through the southern uplands, while a prominent pipeline traverses the northern and central terrain near Natches.

A network of isolated water sources like Sherman Spring and deep-country wells including House Road Well, Maverick Well, and Acorn Well suggests the area's continued use for livestock or range management. The complex drainage systems of Sycamore Gulch and Cottonwood Canyon feed into the reservoir basin, while the namesake Dewey Flat marks a rare level area on the eastern edge of the impounded river.