A most fascinating winter sight: Lower Falls ice dam at Wyoming’s Yellowstone National Park. Tweeted by the US Department of the Interior, 2/1/17.
The rugged mountains of the Kodiak National Wildlife Refuge. Tweeted by the US Department of the Interior, 2/8/17.
Yellowstone National Park’s Moose Falls. Photo by Josh Packer. Tweeted by the US Department of the Interior, 2/21/17.
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