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1970 Map of Crystal Lake

Name: 1970 Topographic Map of Crystal Lake
Creator: U.S. Geological Survey
Published: 1973
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1973

About this map

The high peaks of the Big Snowy Mountains dominate this 1970 survey of Fergus County, Montana. Centered on the Lewis and Clark National Forest, the map captures a landscape defined by significant elevation changes and seasonal water sources. Recreational and administrative hubs are situated around the water, most notably at Crystal Lake, which features a dedicated Picnic Area, Campground, and the Crystal Lake Guard Sta.

Subterranean features like Ice Cave and Devils Chute Cave suggest a karst topography common in this section of the range, situated near West Peak. The drainage patterns are intricate, with seasonal flows such as Dry Pole Creek and East Buffalo Creek carving deep into the terrain. A network of Jeep Trails and Pack Trails provides the only access through the steep elevations of Mount Harlow and into remote drainages like Niel Gulch and Brooks Coulee.