opschrift voorop links: Underwood & Underwood, Publishers.
New York, London, Toronto-Canada, Ottawa-Kansas
opschrift voorop rechts: Works and Studios
Arlington, N. J. Westwood, N. J.
stempel voorop boven: (ENERET)
opschrift voorop onder: (5) A mountain of "petrified water"- Pulpit Terrace and Mammoth springs Hotel, Yellowstone park, U. S. A. Copyright 1904 by Underwood & Underwood