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Map of Yellowstone National Park showing locations of thermal basins

By Yellowstone Volcano Observatory 2017 (approx.)
Map of Yellowstone National Park showing locations of thermal basins that host hot springs, geysers, and mudpots.
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Detailed Description

Map of Yellowstone National Park showing locations of thermal basins that host hot springs, geysers, and mudpots.  Dark green areas host alkaline-chloride fluids.  Yellowstone Caldera margin shown as bold dashed line.

Sources/Usage

Public Domain.

USGS Scientific Investigations Report 2017–5022–P
Geologic Field-Trip Guide to the Volcanic and Hydrothermal Landscape of the Yellowstone Plateau

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