06076.jpg
Catsup colored pool - Witch Creek;
Hot Springs, Heart Lake Geyser Basin;
JR Douglass;
1969
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06077.jpg
Catsup colored pool - Witch Creek;
Hot Springs, Heart Lake Geyser Basin;
JR Douglass;
1969
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06078.jpg
Columbia Spring;
Hot Springs, Heart Lake Geyser Basin;
JR Douglass;
1969
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06079.jpg
Columbia Spring - algae pattern in run off;
Hot Springs, Heart Lake Geyser Basin;
JR Douglass;
1969
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06080.jpg
Margin of Columbia Spring;
Hot Springs, Heart Lake Geyser Basin;
RG Johnsson;
1965
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06081.jpg
Margin of Columbia Spring;
Hot Springs, Heart Lake Geyser Basin;
Photographer unknown;
No date
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16899.jpg
Obscuro Spring - iron rich habitat - acidophyles;
Hot Springs, Heart Lake Geyser Basin;
Bob Lindstrom;
September 1995
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16900.jpg
Witch Creek formation - high ph9+ - alkalinophyles;
Hot Springs, Heart Lake Geyser Basin;
Bob Lindstrom;
September 1995
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