TranscriptionYELL22257/YELL30078 Corkscrew Bridge. Sylvan Pass. August 1913. Engineers Department of War. 1249; YELL22275/YELL39451 Road between 23-24 mile posts. North boundary to west boundary. Aug. 1913. 1268; YELL192944-43 Corkscrew Road. Cody Road. 1922. Linkey. 6731
LocationsYellowstone National Park, Park County, Wyoming, United States(44.59644,-110.5472) Sylvan Pass, Park County, Wyoming, United States(44.4655,-110.13019)