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1926 Map of Bonelli

Name: 1926 Topographic Map of Bonelli
Creator: U.S. Geological Survey
Published: 1926
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1926

About this map

St Thomas stands near the confluence of the Virgin River and Muddy Creek, serving as a primary settlement in this 1920s river-fed landscape. The map documents an era of intense local industry, particularly centered on mining along the western ridges. Operations such as the Calico Salt Mine, Black Salt Mine, and Bonelli Salt Mine are clearly marked, alongside a Salt Well, indicating the significant mineral value extracted from the basin.

Transit through this remote borderland relies on river crossings like Bonelli Ferry and Greggs Ferry, which bridge the Colorado River before the regional hydrology was transformed by large-scale dam projects. Notable landmarks such as Gold Butte, The Temple, and Bonelli Peak orient the traveler through a terrain defined by deep washes and the formidable Hualpai Rapids. This survey captures the final years of the river-bottom settlements and ferry crossings that once defined the Nevada-Arizona border.