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2020 Map of Jackknife Mountain

Name: 2020 Topographic Map of Jackknife Mountain
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Colville National Forest dominates this landscape in Ferry County, where the terrain is defined by a dense network of high ridges and deep drainages. The map reveals a complex system of peaks, including the prominent Jackknife Mtn and Alligator Ridge, which serve as the primary hydrologic divides for the region. Waterways such as Deadman Cr and S Fork Boulder Cr carve through the mountain passes, eventually feeding into small basins that hold Lilly Lake and Emerald Lake.

Evidence of historical land management and extraction is seen in the numerous peaks named for local figures or descriptive traits, such as Graves Mtn, C C Mtn, and the Twin Sisters. These landmarks, along with Merkel Canyon and Thompson Ridge, illustrate the remote character of this corner of Washington. The grid of the Public Land Survey System overlaying the peaks of Coyote Mtn and Mack Mtn provides a clear framework for those tracing property boundaries or forest service land divisions.