«The spring of 1845 saw the first covered wagons surmount the Sierra Nevada Mountains. They left this valley, ascended to the ridge, and turned westward to old Emigrant Gap. The wagons were lowered by ropes to the floor of Bear Valley. Hundreds followed before, during, and after the gold rush. This was a hazardous portion of the overland emigrant trail» Texto disponible, con el número de epigrafe 403, en: «Copia archivada». Archivado desde el original el 16 de abril de 2005. Consultado el 7 de junio de 2005.
state.wy.us
wyoshpo.state.wy.us
«Sublette Greenwood Cutoff». Wyoming State Historic Preservation Office. Archivado desde el original el 14 de abril de 2012. Consultado el 26 de enero de 2009.
web.archive.org
«The spring of 1845 saw the first covered wagons surmount the Sierra Nevada Mountains. They left this valley, ascended to the ridge, and turned westward to old Emigrant Gap. The wagons were lowered by ropes to the floor of Bear Valley. Hundreds followed before, during, and after the gold rush. This was a hazardous portion of the overland emigrant trail» Texto disponible, con el número de epigrafe 403, en: «Copia archivada». Archivado desde el original el 16 de abril de 2005. Consultado el 7 de junio de 2005.
«Sublette Greenwood Cutoff». Wyoming State Historic Preservation Office. Archivado desde el original el 14 de abril de 2012. Consultado el 26 de enero de 2009.