Merrill, Robert H., 1881-1955, “Wyoming. Petrified trees fenced,” Digital Collections, accessed March 17, 2025, https://digitalcollections.library.gvsu.edu/document/55177.
Black and white lantern slide of Audie Merrill posing on a hillside next to a fenced-in petrified tree. Two other people, Sinclair and Virginia, are visible through the fence.