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1986 Map of Toston

Name: 1986 Topographic Map of Toston
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

The Missouri River anchors this mid-1980s provisional study of Toston, Montana, where water management defines the valley floor. A sophisticated network of irrigation infrastructure, including the Big Springs Canal, the Broadwater Missouri Canal, and the Big Springs Ditch, bypasses the main river channel to service the agricultural lands of Broadwater County. This engineering landscape contrasts sharply with the arid, dissected uplands to the east, marked by features such as Dry Hollow and Sixmile Creek.

Local history researchers will find the settlement of Toston situated on the river's eastern bank, flanked by a local Cem and a nearby Landing Strip. The river itself creates complex riparian features like Devils Bottom, while industrial traces such as a Gravel Pit and a prominent Transmission Line indicate the region's late-20th-century development. Smaller tributaries like Crow Creek and Marsh Creek feed into the river system from the west, completing the picture of this productive river corridor.