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1994 Map of Thunderbolt Mountain

Name: 1994 Topographic Map of Thunderbolt Mountain
Creator: U.S. Geological Survey
Published: 1996
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1996

About this map

Thunderbolt Mountain and the high ridges of the Swan Range dominate this mid-1990s topographic survey of Lake County and Flathead County. The landscape is defined by the sharp transition between the Flathead National Forest and the protected terrain of the Bob Marshall Wilderness along the eastern margin. High-elevation landmarks like Gildart Peak and Tranquil Mountain watch over a network of remote drainages, including Deadfall Creek and Warrior Creek.

The map details an environment managed for conservation and limited access, centered on the historic Swan Lake Spotted Bear Rd. Geographers and outdoor historians can trace the paths to Inspiration Pass and the remote Inspiration Lakes, or locate the specific placement of the Ranger District boundary. The prevalence of named water bodies like Bunker Lake and Scout Lake indicates a glaciated terrain where seasonal snowpack feeds the headwaters of the Middle Fork.