| Timothy H. O'Sullivan Black Canon, From Camp 8, Looking Above 1871 Albumen silver print, from glass negative 20 x 28.1 cm (7 7/8 x 11 1/16 in ) Metropolitan Museum of Art Purchase, Joseph Pulitzer Bequest and The Horace W. Goldsmith Foundation Gift, 1986 (1986.1054.19) LL/6330
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