This site, known as Horseshoe or Horseshoe Creek, served as the last station in Division Two of the Pony Express. Division Superintendent Joseph A. Slade lived at Horseshoe Creek with his wife, Molly, and family.  Several sources identify Horseshoe Creek as a Pony Express station.

http://www.nps.gov/parkhistory/online_books/poex/hrs/hrs5d.htm#59