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1964 Map of Twin Springs

Name: 1964 Topographic Map of Twin Springs
Creator: U.S. Geological Survey
Published: 1966
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1966

About this map

Boise River carving through the Boise National Forest defines this landscape, where the confluence with the North Fork marks a key drainage point for the region. The map captures a backcountry infrastructure of the mid-1960s, centered on Twin Springs and the nearby Troutdale Guard Sta. These small outposts served as vital hubs for forest management and transit along the river canyon, supported by a network of primitive routes including a Jeep Trail, Pack Trail, and various logging trails.

Resource extraction and recreational access appear as primary activities, evidenced by a Prospect and established sites like Birch Creek Campground and Bald Mtn Campground. Hydrographic monitoring is noted at the Gaging Station, while the presence of geothermal features is highlighted by labels for Hot Spring and Hot Springs along the riverbanks. The terrain is deeply etched by drainages such as French Creek, Willow Creek, and Slide Gulch, rising toward the heights of Thorn Creek Butte.