Title: Black Cañon, Looking Above From Mirror Bar
Object type: Photograph
Date: 1871
Artist:  Timothy H. O'Sullivan 
Artist bio: American, born Ireland, 1840–1882
Artist nationality: American, born Ireland
Artist role: Artist
Medium: Albumen silver print from glass negative
Dimensions: 20.2 x 28.2 cm. (7  15/16  x 11  1/8  in.)
Classification: Photographs
Credit line: Purchase, Joseph Pulitzer Bequest and The Horace W. Goldsmith Foundation Gift through Joyce and Robert Menschel, 1986
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY