A. J. Smith
assistant To The Topographer
"After breakfast took a long stroll over the country around, collecting flowers and insects in company with Prof. Thomas and Mr. Alfred Smith. The sun is very hot today, as it was yesterday in camp, though there is a fine breeze blowing." --George Allen, May 27, 1871 
- Marlene Merrill, ed., Yellowstone and the Great West: Journals, Letters, and Images from the 1871 Hayden Expedition (Lincoln: University of Nebraska Press, 1999), 40.
- "U.S. Geological Survey Photographic Library," U.S. Geological Survey Photographic Library, 1871, accessed November 21, 2012, photo by W. H. Jackson, http://libraryphoto.cr.usgs.gov/htmllib/batch03/batch03j/batch03z/batch03/jwh00590.jpg