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1985 Map of Three Brothers

Name: 1985 Topographic Map of Three Brothers
Creator: U.S. Geological Survey
Published: 1986
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1986

About this map

The Continental Divide serves as the central spine of this mid-1980s mountain survey, marking the boundary between the Helena National Forest and the Deer Lodge National Forest. This high-elevation terrain is defined by a complex network of drainages and prominent summits, including Jericho Mountain and Luttrell Peak. The landscape reflects a history of small-scale resource extraction, evidenced by scattered Mine Shafts located near the headwaters of Minnehaha Creek and Tenmile Creek.

Hydrological features are particularly detailed, ranging from the Sure Thing Swamps at the heart of the quadrangle to the Scott Reservoir and the tranquil Cataract Meadows in the southeast. Named gulches and creeks such as Telegraph Gulch and Sally Ann Creek provide specific points of reference for those tracing historical land use or topographic change across the Powell, Lewis and Clark, and Jefferson county lines.