Front:
10106. EMERALD POOL, YELLOWSTONE PARK.
HAYNES-PHOTO,
Back:
54130
Emerald Pool; Yellowstone Park at Old Faith-
ful, a quiescent hot pool of about 157 degrees
(Fahrenheit) surface temperature, is pronounced by
many tourists the most beautiful one in the park.
OFFICIAL PHOTOGRAPHER
YELLOWSTONE NATIONAL PARK.
PUBLISHED BY J. E. HAYNES, ST. PAUL, MINN.
