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2017 Map of Sourdough School

Name: 2017 Topographic Map of Sourdough School
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

Sourdough Sch stands as a focal point in this rural Sweet Grass County landscape, where the high plains of Montana meet a complex network of seasonal and perennial drainages. The area is defined by the significant branching of Sweet Grass Creek, which is fed by various tributaries including Dry Fork Sweet Grass Cr, E Fork Sweet Grass Cr, and Sams Cr. This hydrologic pattern suggests a ranching-driven economy, supported by a grid of local transport routes like Rapelje Rd and Tin Can Hill Rd.

The presence of Sourdough Cr, Cottonwood Cr, and Sixshooter Cr carving through the terrain illustrates the drainage patterns characteristic of this region. Named roads such as Sourdough Rd and Lower Sweet Grass Rd follow the natural contours of the land, connecting isolated homesteads to the wider county. The map detail provides essential data for understanding early 21st-century land use and settlement distribution in this part of Montana.