Merrill, Robert H., 1881-1955, “Gardiner Gateway Arch,” Digital Collections, accessed December 6, 2025, https://digitalcollections.library.gvsu.edu/document/49347.
Black and white photograph of the Roosevelt Arch entrance to Yellowstone National Park in Gardiner, Montana. The top of the arch reads for the benefit and enjoyment of the people. Water damage is visible on the image, which was scanned from the negative.