| Carleton E. Watkins River View of the Royal Arches, Yosemite 1861 Albumen print 40.96 × 52.39 cm (16 1/8 × 20 5/8 ins) (image) National Gallery of Art Corcoran Collection (Museum Purchase, with funds from the bequest of Marva Patterson to the Women's Committee of the Corcoran Gallery of Art, and Gift of Jeffrey Fraenkel and Frish Brandt), Accession No. 2015.19.5009 LL/92699
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