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1949 Map of Mouth of Bruneau

Name: 1949 Topographic Map of Mouth of Bruneau
Creator: U.S. Geological Survey
Published: 1949
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1949

About this map

The Snake River and Bruneau River converge at the heart of this Idaho landscape, where high plateaus drop sharply into fertile river bottoms. Local history is etched into the terrain at the Roy Johnson Ranch and the site of ancient Petroglyphs near the canyon mouth. These features, along with Halls Ferry, suggest a long-standing strategic value for river crossings in this arid region.

Evidence of early western migration and the development of agriculture is visible in the route of the Emigrant Trail and the extensive Irrigation Canal network. The map details the transition from river-side ranching to more structured water management, highlighted by features like the Artesian Well and the South Side Canal. While the rugged Ninefoot Rapids mark the river's wilder character, the growth of settlements like Little Valley points toward the 20th-century irrigation era.