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1968 Map of Mount Jackson

Name: 1968 Topographic Map of Mount Jackson
Creator: U.S. Geological Survey
Published: 1972
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1972

About this map

The Continental Divide winds through this high-altitude landscape within Glacier National Park, where the 1968 field survey recorded a massive complex of active ice fields. The map detail centers on Mount Jackson and is notable for its extensive documentation of the Jackson Glacier, Blackfoot Glacier, Harrison Glacier, and Pumpelly Glacier. These massive features define the drainage patterns of the region, feeding the St Mary River and Harrison Creek.

For the wilderness traveler, the map traces the Gunsight Trail as it climbs past Gunsight Lake toward the Sperry Shelter Cabin. The boundary between Glacier Co and Flathead Co follows the jagged ridge lines, separating the watersheds of Lake Ellen Wilson and Harrison Lake. The presence of numerous named falls, such as Siksika Falls, illustrates the steep, water-carved terrain of the Montana Rockies in the late 1960s.