YellowstoneNPS: Tower Junction Water & Septic Replacement: Current Condition
YellowstoneNPS: Coyote in the snow
YellowstoneNPS: Electric Peak views from Crevice Creek Trail
YellowstoneNPS: Winter alpenglow on Monitor Peak seen from Mammoth
YellowstoneNPS: Views of Swan Lake Flats and mountains from Crevice Creek Trail
YellowstoneNPS: Brown creeper (Certhia americana) searching for food
YellowstoneNPS: Cougar tracks on Crevice Creek Trail
YellowstoneNPS: Long-tailed weasel tracks on Crevice Creek Trail
YellowstoneNPS: Autonomous recording unit, used to capture wolf howls throughout the park.
YellowstoneNPS: Matt Metz, wolf project biologist, changes the batteries on an autonomous recording unit
YellowstoneNPS: Mammoth Temporary Wastewater Plant footprint
YellowstoneNPS: East shore of Shoshone Lake
YellowstoneNPS: A hiker along the Mount Holmes trail
YellowstoneNPS: Mount Holmes summit
YellowstoneNPS: Hikers traveling west along the Mary Mountain Trail (3)
YellowstoneNPS: Hikers traveling west along the Mary Mountain Trail (2)
YellowstoneNPS: Hikers traveling west along the Mary Mountain Trail (1)
YellowstoneNPS: The sign at the summit of Mount Washburn
YellowstoneNPS: Boardwalk at Mud Volcano (3)
YellowstoneNPS: Mud Volcano
YellowstoneNPS: Grizzly Fumarole
YellowstoneNPS: Black Dragon's Caldron and Sour Lake
YellowstoneNPS: Black Dragon's Caldron
YellowstoneNPS: Sour Lake
YellowstoneNPS: Churning Caldron
YellowstoneNPS: Sizzling Basin (2)
YellowstoneNPS: Sizzling Basin (1)
YellowstoneNPS: People explore the boardwalk at Mud Volcano
YellowstoneNPS: Mud Geyser
YellowstoneNPS: Mud Caldron