» Atchison Topeka and Santa Fe Railroad Photograph File    Online collection of photographs of the Atchison Topeka and Santa Fe Railroad from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/SantaFe1.html#DSantaFe1

» Colorado Springs and Cripple Creek Railroad Photograph File    Online collection of photographs of the Colorado Springs and Cripple Creek Railroad from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/CSCR1.html#CSCR1

» Denver South Park and Pacific Railroad Photograph File    Online collection of photographs of the Denver South Park and Pacific Railroad from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/DenSPP1.html#DenSPP1

» Florence and Cripple Creek Railroad Photograph File    Online collection of photographs of the Florence and Cripple Creek Railroad from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/FlorCC1.html#FlorCC1

» Manitou and Pikes Peak Cog Railway Photograph File    Online collection of photographs of the Manitou and Pikes Peak Cog Railway from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/ManPP1.html#ManPP1

» Midland Railroad Photograph File    Online collection of photographs of the Midland Railroad from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/RR1.html#RR1

» Rio Grande Southern Railroad Photograph File    Online collection of photographs of the Rio Grande Southern Railroad from the Old Colorado City Historical Society archives.    http://history.oldcolo.com/history/research/riogrns1.html#riogrns1

» The Narrow Gauge Circle    Based on an early day travel package offered by the Denver and Rio Grande Railroad. Includes photos, area information and model railroading links.    http://www.narrowgauge.org/