Using switchbacks for the first time in the world, they laid a track that included an ascent of 1,821 feet [555 m] in just 15 miles [24 km].
Esimesena maailmas siksakraudteed kasutades seadsid nad maha rööbastee, mis hõlmas 555 - meetrist tõusu kõigest 25 kilomeetri ulatuses.