1956 Map of West Thumb, 1975 Print
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1956 Map of West Thumb

USGS Topo · Published 1975

About this map

Yellowstone Lake (West Thumb) serves as the geographic anchor for this mid-century topographic survey, where the Continental Divide weaves across the high-altitude volcanic plateau. The map captures a detailed inventory of hydrothermal activity, pinpointing the West Thumb Geyser Basin, Potts Hot Spring Basin, and the Thumb Paintpots along the shoreline. Thermal features extend deep into the wilderness, including the Heart Lake Geyser Basin near the foot of Mount Sheridan and Rustic Geyser further south.


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Map Details

Date Portrayed1956
Date Published1975
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.4 x 21.5 inches

Editions of this 1956 West Thumb Map


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Source Details

CopyrightPublic Domain