02333.jpg
Basalt flow, overhanging cliff;
RG Johnsson;
1964
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02334.jpg
Basalt columns at Overhanging Cliff;
RG Johnsson;
1964
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02335.jpg
Basalt columns at Overhanging Cliff;
Rosalie LaRue;
1976
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02336.jpg
Columnar basalt flows across canyon from Overhanging Cliff;
Photographer unknown;
1963
|
02337.jpg
Basalt flows in canyon north of Toer Falls;
Susan Tweit;
1976
|
02338.jpg
Basalt flows near Tower Falls;
Rosalie LaRue;
1976
|
02339.jpg
Basalt columns in flow near Tower Falls;
JR Douglass;
1969;
Volcanics
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02340.jpg
Basalt columns in flow near Tower Falls;
JR Douglass;
August 1969
|
02341.jpg
Close up showing texture of Yellowstone Tuff near Virginia Cascades;
John Good;
1965
|
02342.jpg
Cliff face of angularly fractured Yellowstone Tuff;
John Good;
1967
|
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02345.jpg
Weathering of Yellowstone tuff at Virginia Cascade;
John Good;
1965
|
02346.jpg
Weathering of Yellowstone tuff at Virginia Cascade;
John Good;
1965
|
02347.jpg
Welded Yellowstone tuff showing gas pockets at Virginia Cascades;
John Good;
September 1965
|
02348.jpg
Thickness of Yellowstone Tuff in Gibbon Canyon;
John Good;
September 1965
|
02349.jpg
Welded Yellowstone Tuff along the Gibbon River;
John Good;
September 1965
|
02350.jpg
Tuff, basalt contact on east side of Gardner Canyon;
Photographer unknown;
1964
|
02352.jpg
Close up of flow breccia on Tuff Cliff;
John Good;
September 1965
|
02353.jpg
Pumice breccia on Purple Mountain;
John Good;
September 1965
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02354.jpg
Breccia in the hoodoos, pocket knife shown for size scale;
Photographer unknown;
1964
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