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2020 Map of McMullen Basin

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

USGS Topo · Published 2020

About this map

McMullen Basin and the adjacent drainages of the Sawtooth National Forest define this 2020 landscape in Twin Falls County. The topography is shaped by a complex network of canyons and high ridges, notably Squaw Joe Canyon and North Cottonwood Ridge, which guide the flow of several ephemeral and perennial streams. Water management is a primary feature of the area, evidenced by numerous named reservoirs such as Dry Fork Reservoir, Upper Burnt Cr Reservoir, and Curtis Reservoir.

Genealogists and local historians can trace family-named springs and landmarks scattered throughout the high country, including Hoops Spring, Williams Spring, and Basin Spring. The presence of these specific water sources alongside features like Horse Basin and Donahue Basin reflects the historical reliance on reliable water for livestock and mountain travel in this high-desert environment. The map also documents modern infrastructure like Cottonwood Crk Rd and various forest service routes that provide access to the interior of the national forest.