Colorful bacteria mats mark the hot water flowing from Pump Geyser. Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Stock Photo: 13412 Location: Upper Geyser Basin, Yellowstone National Park, Wyoming, USA Format: Digital 3:2 Copyright © Phillip Colla, all rights reserved worldwide. Purchase a print of this image Request a review copy of this image Keywords: environment, geisel library, geothermal, geothermal features, geyser, landscape, national parks, nature, outdoors, outside, pump geyser, scene, scenery, scenic, upper geyser basin, usa, world heritage sites, wyoming, yellowstone, yellowstone national park, yellowstone park |