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2023 Map of Callao

Name: 2023 Topographic Map of Callao
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

Callao serves as the primary focal point of this arid landscape, situated just south of the Tooele Co and Juab Co line. The settlement is anchored by the Callao Cem, while the historic Pony Express Rd cuts through the desert, tracing a legacy of early American communications. The terrain is defined by a network of drainage channels such as Willow Spring Wash and Eightmile Wash, which feed toward the marshy basins near Big Spring.

To the east, the map details a portion of the West Desert Test Center, illustrating the intersection of military restricted zones with the rugged Basin and Range geography. Water sources are scarce but critical, marked by features like Reddish Spring and Reilly Creek. The road network, including Bagley Rd and Weis Hwy, reveals how modern infrastructure follows the paths established by water availability and historical transit routes across the Great Salt Lake Desert.