Signature: Titled and numbered in ink lower right edge of mount, no. 28
Signed in ink lower right: "C. E. Watkins"
Inscription: Signed in ink on mount, recto BR: "C. E. Watkins"; inscribed in ink on mount, recto BRC: "Cathedral Rock, River View no. 28"
[Rinhart Galleries, Colebrook, Connecticut]; Gilman Paper Company Collection, New York, July 19, 1985