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2010 Map of Clay Knoll

Name: 2010 Topographic Map of Clay Knoll
Creator: U.S. Geological Survey
Published: 2010
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2010

About this map

Clay Knoll anchors the southeastern corner of this high-desert landscape in Millard County, Utah, where ancient watercourses and modern infrastructure intersect. The drainage of Old River Bed winds north across the eastern portion of the sheet, a significant geological remnant accompanied by the Marshall Ditch and several man-made catchments like the West Marshall Tract Reservoir. These features, along with North Clay Knoll Reservoir and West Clay Knoll Reservoir, indicate the critical importance of water management in this arid environment.

Transportation through the basin is defined by the historic alignment of Old 6 and 50, which cuts across the central flats toward the Little Drum Mountains in the northwest. Near these peaks, Little Drum Spring and Chalk Knolls Well provide rare natural and developed water sources. The map also traces the path of Swasey Wash as it moves through the southern territory, revealing a landscape shaped by seasonal runoff and long-distance desert travel routes.