si-american-art-museum:

Currecanti Needle, Black Cañon of the Gunnison, William H. Jackson, ca. 1880, Smithsonian: American Art Museum

Size: sheet and image: 21 ¼ x 16 ¾ in. (54.0 x 42.5 cm.)
Medium: albumen silver print

http://americanart.si.edu/collections/search/artwork/?id=34266