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2021 Map of Mahogany Ridge

Name: 2021 Topographic Map of Mahogany Ridge
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

Alturas serves as the focal point for this high-desert landscape in northeastern California, where the northern edge of the town meets the southern boundary of the Modoc National Forest. The map documents a complex system of water management essential to the region's ranching and natural resources, featuring numerous man-made catchments like the Raker and Thomas Reservoirs and Indian Spring Reservoir. The terrain is defined by prominent volcanic uplifts, including Mahogany Ridge and Hog Ridge, which overlook deep-cut drainages such as Swanson Canyon and Daggett Canyon.

A notable modern development is the residential grid north of the forest boundary, where streets are named for wildlife and regional themes, such as Pronghorn Dr and Thunderbird. This suburban expansion near Daphnedale Park contrasts with the surrounding backcountry, where natural water sources like Emigrant Spring and Kelley Springs provided vital stops for early travelers and current livestock operations.