SUE WINKLER:
prismatic spring thermal pool
SUE WINKLER:
Entrance to nowhere
SUE WINKLER:
Bison in Yellowstone
SUE WINKLER:
thermal pool
SUE WINKLER:
THERMAL POOL
SUE WINKLER:
YELLOWSTONE RIVER
SUE WINKLER:
thermal pool
SUE WINKLER:
bison
SUE WINKLER:
bison
SUE WINKLER:
river
SUE WINKLER:
river
SUE WINKLER:
mammoth falls
SUE WINKLER:
river
SUE WINKLER:
old faithful
SUE WINKLER:
YELLOWSTONE LAKE