all on mount: lower left in black ink: nc110; lower right in black ink: C.E. Watkins; lower center in graphite: Grizzly Giant, Mariposa Grove 33 ft Diam
David and Mary Robinson, Sausalito, CA; gift to NGA, 1995.
- The First Century of Photography: New Acquisitions, National Gallery of Art, Washington, 1995.
- Carleton E. Watkins: Photographs, 1861-1874. Exh. cat. Fraenkel Gallery. San Francisco, 1989, pl. 63.
- Hambourg, Maria Morris. The Waking Dream: Photography's First Century. Selections from the Gilman Paper Company Collection. Exh. cat. Metropolitan Museum of Art, 1993, no. 156, p.327.