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1956 Map of West Thumb, 1958 Print
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1956 Map of West Thumb

USGS Topo · Published 1958

About this map

The Continental Divide winds across this portion of Yellowstone National Park, carving a high-altitude landscape where the hydrothermal features of the West Thumb Geyser Basin meet the deep cold waters of Yellowstone Lake. In the mid-1950s, the park's internal infrastructure relied on the Grand Loop Road and the South Entrance Road, which intersect near the Thumb Paintpots. This survey illustrates the relationship between the volcanic Pitchstone Plateau and the park's great lakes, including the isolated Shoshone Lake and Lewis Lake. Notable for backcountry researchers, the map identifies the Aster Creek Patrol Cabin and the thermal activity near Mount Sheridan, such as the Heart Lake Geyser Basin and Rustic Geyser, offering a precise view of the park's interior wilderness before modern developments.

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Map Details

Date Portrayed1956
Date Published1958
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.2 x 20.8 inches

Editions of this 1956 West Thumb Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain