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2020 Map of Phonolite Hill

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

USGS Topo · Published 2020

About this map

Antimony sits at the edge of the high mountain terrain where the Sevier Plateau meets the agricultural valleys of southern Utah. This 2020 landscape is defined by its complex water management, featuring a network of vital sources like McCardy Spring, Blood Wine Spring, and Dripping Spring that feed into the valley. The map illustrates the transition from the high elevations of Phonolite Hill and Forshea Mtn down through canyons like Kingston Canyon and Hickman Canyon toward the managed waters of Otter Creek Reservoir.

Public lands are central to the region, with the boundary between Fishlake National Forest and Dixie National Forest cutting across the mountain flanks. Evidence of the area's ranching and irrigation history is clear in the presence of the E Fork Canal and various upland catchments such as Corral Flat Reservoir and Road Hollow Reservoir. The county line between Piute Co and Garfield Co passes through these high-altitude flats, marking a remote borderland where terrain dictates the movement of both water and travel.