Photographs of Biscuit and Black Sand Basins, Upper Geyser Basin, Yellowstone National Park

Wyoming > Yellowstone National Park > The Southwest > Upper Geyser Basin > Photographs

Run-off channel in Biscuit Basin, edged by orange and yellow cyanobacteria

Keywords: Yellowstone National Park, Biscuit and Black Sand Basins, Upper Geyser Basin, Wyoming, thermal features, geyser basins, hot water, springs, colors

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