1. Photo 1224/4(105) Reference (shelfmark): Photo 1224/4(105) Title: Yo-Semite Valley. Mirror Lake, view of the Three Brothers. Photographer: Unknown Scope & Content: View towards the peaks, reflected in the lake in the foreground. Possibly by Carlton E. Watkins. Collection Area: Visual Arts Languages: Not applicable Date Range: 1865-1870 Extent: 1 item