Cascade Geyser, Upper Geyser Basin, Yellowstone National Park, Wyoming
Nancy Bower
Downloaded from National Park Service Photo Gallery, <a rel="nofollow" class="external text" href="http://www.nps.gov/archive/yell/slidefile/thermalfeatures/geysers/upper/Page-14.htm">Upper Geyser Basin</a>, <a rel="nofollow" class="external text" href="http://www.nps.gov/archive/yell/slidefile/thermalfeatures/geysers/upper/Images/15662.jpg">15662.jpg</a>