YellowstoneNPS:
The front of a bison jam at Lower Geyser Basin
YellowstoneNPS:
A bull bison in Lower Geyser Basin
YellowstoneNPS:
The back of a bison jam at Lower Geyser Basin
YellowstoneNPS:
Pink Cone Geyser eruption (portrait)
YellowstoneNPS:
Pink Cone Geyser eruption and runoff channel
YellowstoneNPS:
Pink Cone Geyser eruption
YellowstoneNPS:
Fountain and Clepsydra Geysers erupting
YellowstoneNPS:
Bison tracks in the bacterial mats at Silex Spring
YellowstoneNPS:
Clepsydra Geyser eruption
YellowstoneNPS:
Jet Geyser eruption
YellowstoneNPS:
Fountain Geyser erupting with a snowy Mt. Holmes in the distance
YellowstoneNPS:
Watching Fountain Geyser Erupt from the boardwalk
YellowstoneNPS:
Foutain and Clepsydra Geysers erupting
YellowstoneNPS:
Bison graze in the Lower Geyser Basin during a snow storm
YellowstoneNPS:
Snowmobile group passing bison near Lower Geyser Basin
YellowstoneNPS:
Bison grazing in Lower Geyser Basin
YellowstoneNPS:
Fountain Paint Pot
YellowstoneNPS:
Fountain Paint Pot bubble burst (2)
YellowstoneNPS:
Fountain Paint Pot bubble burst
YellowstoneNPS:
Skiers watch bison from the road, Lower Geyser Basin
YellowstoneNPS:
Skiers & snowmobiles, Lower Geyser Basin
YellowstoneNPS:
Backcountry campers watch the sunset in Lower Geyser Basin from the road.
YellowstoneNPS:
Backcountry campers ski along the road in Lower Geyser Basin
YellowstoneNPS:
Backcountry campers ski along the road in Lower Geyser Basin (2)
YellowstoneNPS:
Bison group in Lower Geyser Basin at sunset (2)
YellowstoneNPS:
Bison group in Lower Geyser Basin at sunset
YellowstoneNPS:
Backcountry campers ski along the road in Lower Geyser Basin at sunset
YellowstoneNPS:
Backcountry campers safely ski pass bison
YellowstoneNPS:
Bison on the bank of Nez Perce Creek
YellowstoneNPS:
Bison searching for food along Nez Perce Creek
