<p>Two bison walk in snow with steaming thermal activity in the background.</p>
<p>Bison in Lower Geyser Basin in winter</p>
<ul><li>Keywords: yellowstone national park; mammals; wildlife; bison; bison bison; jacob w. frank; lower geyser basin; yellowstone; landscape; snow; thermal; winter; 20170127-jwf-3544</li></ul>
Jacob W. Frank
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