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2011 Map of Clark Mountain

Name: 2011 Topographic Map of Clark Mountain
Creator: U.S. Geological Survey
Published: 2011
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2011

About this map

Clark Mountain and the surrounding White Mountains define this high-altitude landscape in the North Cascades during the early 21st century. The map documents an extensive system of active ice and alpine terrain, specifically naming the Clark Glacier, Richardson Glacier, Pilz Glacier, and Butterfly Glacier. This high-relief environment is characterized by the headwaters of several major drainage systems, including the Napeequa River, Chiwawa River, and White River.

Navigational points through the terrain are established by notable crossings such as Boulder Pass, High Pass, and Little Giant Pass. The presence of Pit Glacier and Butterfly Butte further highlights the complex geological and glacial history of Snohomish County. This 2011 survey records the state of these permanent ice fields and water sources, like King Lake, providing a specific data point for the study of alpine glacial recession and regional hydrography.