Carleton Watkins (American, 1829 – 1916) [Piwayac – Vernal Fall – 300 ft. Yo Semite] , 1861, Albumen silver print 40.2 × 52.1 cm (15 13/16 × 20 1/2 in.) The J. Paul Getty Museum, Los AngelesCarleton Watkins (American, 1829 – 1916) El Capitan, 3600 ft., Yo Semite , negative 1861; print about 1866, Albumen silver print 39.1 × 51.3 cm (15 3/8 × 20 3/16 in.) The J. Paul Getty Museum, Los AngelesCarleton Watkins (American, 1829 – 1916) View from Camp Grove down the Valley – Yo Semite , 1861, Albumen silver print 39.1 × 52.5 cm (15 3/8 × 20 11/16 in.) The J. Paul Getty Museum, Los Angeles[Stream with trees and mountains in background, Yosemite Valley, Calif.]Carleton Watkins (American, 1829 – 1916) [The Devil’s Slide, Utah] , 1873 – 1874, Albumen silver print 52.1 × 39.1 cm (20 1/2 × 15 3/8 in.) The J. Paul Getty Museum, Los Angeles