Front:
4291.
The Sponge, Upper Geyser Basin, Yellowstone National Park
Back:
THE SPONGE.
This unique formation is in Upper Geyser
Basin and is a short distance from Giantess
Geyser, and strongly resembles a huge sponge in
character and color.
THIS SPACF
CR MESSAGE
DI1IHIH-
DOMESTIC:
FOREIGN:
TWO CENTS