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1901 Map of Glacier Peak

Name: 1901 Topographic Map of Glacier Peak
Creator: U.S. Geological Survey
Published: 1912
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1912

About this map

Glacier Peak dominates the southeast corner of this turn-of-the-century topographic survey, where the Cascade Divide separates the Snohomish and Chelan county lines. The landscape is defined by the headwaters of the Sauk River and the Whitechuck River, which carve through the dense terrain of the Washington National Forest and Snoqualmie National Forest. High-altitude features like Horseshoe Basin and Cascade Pass indicate the early charting of mountaineering routes and mineral prospecting zones long before modern road development.

While largely unpopulated, the map documents the critical watershed of the Cascade River and its various forks, including the North Fork Cascade River. The presence of Barlow Pass in the southwest reflects the era's focus on identifying traversable gaps for rail and trail infrastructure. From the peak of Sahale Mt to the shores of Granite Lake, this document records the foundational geography of the North Cascades during the early forest service era.