05919.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1958
|
05920.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
Bryan Harry;
1965
|
05921.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
Bryan Harry;
1965
|
05922.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1965
|
05923.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1965
|
05924.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1965
|
05925.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1965
|
05926.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1960
|
05927.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
George Marler;
1960
|
05928.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
Photographer unknown;
1959
|
05929.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
RG Johnsson;
1963
|
05930.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
RG Johnsson;
1966
|
05931.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
Photographer unknown;
1961
|
05932.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
Canter;
1968
|
05933.jpg
Opalescent Pool - Black Sand Basin;
Hot Springs, Upper Geyser Basin;
JR Douglass;
1968
|
05934.jpg
Aerial of Opalescent Pool in Black Sand Basin;
Hot Springs, Upper Geyser Basin;
Al Mebane;
1973
|
05935.jpg
Black Sand Pool;
Hot Springs, Upper Geyser Basin;
RG Johnsson;
1963
|
05936.jpg
Bonita Pool;
Hot Springs, Upper Geyser Basin;
Photographer unknown;
No date
|
05937.jpg
Calida Pool;
Hot Springs, Upper Geyser Basin;
George Marler;
1965
|
05938.jpg
Morning Glory Pool;
Hot Springs, Upper Geyser Basin;
Photographer unknown;
1969
|
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