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1909 Map of Sapphire

Name: 1909 Topographic Map of Sapphire
Creator: U.S. Geological Survey
Published: 1909
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1909

About this map

The Sapphire Mountains and the Bitterroot Mountains converge in this high-altitude survey of western Montana, revealing a landscape defined by sharp drainage divides and protected timberlands. The boundary line between Ravalli and Granite counties snakes along the crest of the range, separating the headwaters of the Bitterroot and Clark Fork watersheds. This 1909 edition depicts the early administrative boundaries of the Bitterroot National Forest and Missoula National Forest, illustrating how federal land management was already established in these remote subalpine basins.

Water resources are meticulously documented, from the high-elevation waters of Burnt Fork Lake and Medicine Lake to the complex systems of gulches such as Windlass Gulch and Anaconda Gulch. The map records a wilderness in transition, where natural features like Moose Meadows and Sand Basin are surveyed alongside the emerging infrastructure of forest trails and mountain passes. This survey provides an essential view of the Bitterroot-Sapphire transition before modern development altered these traditional migration and drainage corridors.