11134.jpg
Travetine from Minerva Terrace covering boardwalk;
Mineral deposits;
Frank Balthis;
1978
|
11135.jpg
Travertine - Mammoth Hot Springs;
Mineral deposits;
William S Keller;
1978
|
11136.jpg
Sinter around Gibbon Geyser;
Mineral deposits;
Tom Pittenger;
1975
|
11137.jpg
Monument Geyser cone;
Mineral deposits;
R Robinson;
No date
|
11138.jpg
Monument Geyser cone;
Mineral deposits;
R Robinson;
No date
|
11139.jpg
Extinct springs - Monument Geyser Basin;
Mineral deposits;
R Robinson;
No date
|
11140.jpg
Extinct springs - Seven Mile Hole;
Mineral deposits;
R Robinson;
1958
|
13497.jpg
Silica formation at unknown thermal feature;
Mineral deposits;
Photographer unknown;
1987
|
14183.jpg
Extinct spring on Firehole Lake Drive;
Mineral deposits;
Jim Peaco;
June 1989
|
15527.jpg
Sinter deposits in Porcelain Basin;
Mineral deposits;
Photographer unknown;
September 1995
|
16168.jpg
Butterfly coated with travertine;
Mineral deposits;
Paul Schullery;
1972
|
17495.jpg
Travertine wall in excavation pit (behind YCR building);
Mineral deposits;
Jim Peaco;
November 1995
|
17887.jpg
Sulphur at Sulphur Caldron;
Mineral deposits;
Jo Suderman;
June 2003
|
17888.jpg
Sulphur at Grizzly Fumarole;
Mineral deposits;
Jo Suderman;
June 2003
|
|
