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George Eastman House

1867

Trachyte Columns - Summit of …

Timothy H. O'Sullivan

George Eastman House

1867

Trachyte Columns. Trinity Mo …

Timothy H. O'Sullivan

George Eastman House

1867

Syenites of Gold Canon-South …

Timothy H. O'Sullivan

George Eastman House

1867

Limestone's in Wright's Cano …

Timothy H. O'Sullivan

George Eastman House

1867

Crater South of Mono Lake

Timothy H. O'Sullivan

George Eastman House

1867

Limestones in Wright's Canon …

Timothy H. O'Sullivan