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1999 Map of Thompson Pass, 2003 Print
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1999 Map of Thompson Pass

USGS Topo · Published 2003

About this map

The Halfway House Historic Site sits at a critical junction in the Bitterroot Mountains along the state line between Idaho and Montana. This high-altitude landscape is defined by the convergence of the Coeur d'Alene National Forest, Kaniksu National Forest, and Lolo National Forest. The map documents a rugged transit corridor where the Wallace Thompson Falls road winds through topographic obstacles like Thompson Pass and Glidden Pass.

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Map Details

Date Portrayed1999
Date Published2003
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 27 inches

Editions of this 1999 Thompson Pass Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain