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1 & 2. Excelsior Geyser (right) discharges 4000 gallons of water a minute
into the Firehole River (left).
1 & 2. At 370 feet across, Rudyard Kipling called the Grand Prismatic Spring
"Hell's Half Acre".
1. Our first buffalo sighting. 2. Yellowstone River's
Lower Falls, largest in the park. |