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06541.jpg 
Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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06542.jpg 
Grand Prismatic Spring & run off;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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06582.jpg 
Unidentified hot pool;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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06583.jpg 
Unidentified hot pool;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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06685.jpg 
Firehole Lake;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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07449.jpg 
Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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07470.jpg 
Spring near Fountain Paint Pots;
Hot Springs, Midway & Lower Geyser Basin;
J Schmidt;
1977
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07887.jpg 
Aerial of Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
Al Mebane;
1973
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09563.jpg 
Silica formation along Firehole Lake Drive;
Hot Springs, Midway & Lower Geyser Basin;
Frank Balthis;
1977
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10069.jpg 
Bones of animal in hot spring - Pocket Basin;
Hot Springs, Midway & Lower Geyser Basin;
Frank Walker;
1978
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10955.jpg 
Unknown hot springs ;
Midway & Lower Geyser Basin;
R Robinson;
No date
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10956.jpg 
Grand Prismatic Spring from bluff across trail;
Hot Springs, Midway & Lower Geyser Basin;
Tom Pittenger;
1974
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10957.jpg 
Surprise Pool;
Hot Springs, Midway & Lower Geyser Basin;
R Robinson;
1972
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10958.jpg 
Pool;
Hot Springs, Midway & Lower Geyser Basin;
R Robinson;
No date
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13366.jpg 
Crackling Lake with Mt. Holmes in back;
Hot Springs, Midway & Lower Geyser Basin;
Jim Peaco;
July 1988
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13400.jpg 
Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
Ed Austin & Herb Jones;
1987
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13401.jpg 
Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
Ed Austin & Herb Jones;
1987
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13402.jpg 
Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
Ed Austin & Herb Jones;
1987
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13403.jpg 
Grand Prismatic Spring;
Hot Springs, Midway & Lower Geyser Basin;
Ed Austin & Herb Jones;
1987
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14383.jpg 
Ojo Caliente - typical boiling & overflow;
Hot Springs, Midway & Lower Geyser Basin;
JR Douglass;
July 1967
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