kallen photography:
Swamp Thing
kallen photography:
Great Fountain Geyser and White Dome Geyser
kallen photography:
Great Fountain Geyser
kallen photography:
Castle Geyser
kallen photography:
Old Faithful and Beehive Geysers
kallen photography:
White Dome Geyser
kallen photography:
Castle Geyser detail
kallen photography:
Castle Geyser
kallen photography:
Yellowstone
kallen photography:
Yellowstone
kallen photography:
Firehole River
kallen photography:
Limekiln Springs
kallen photography:
Scalloped Spring
kallen photography:
South Scalloped Spring
kallen photography:
Daisy Geyser
kallen photography:
Daisy Geyser
kallen photography:
Porcelin Basin
kallen photography:
Crested Pool
kallen photography:
Doublet Pool
kallen photography:
Firehole falls
kallen photography:
Upper Geyser Basin
kallen photography:
Excelsior Geyser runoff
kallen photography:
Doublet Pool
kallen photography:
Yellowstone River
kallen photography:
enterance into Dante's Inferno
kallen photography:
Gibbon Falls
kallen photography:
Old Faithful
kallen photography:
Sheepeater cliff
kallen photography:
Grotto geyser
kallen photography:
Grand Canyon of the Yellowstone
