in 1896, local rancher john winder improved the native american footpath up echo canyon, which later became the east rim trail. entrepreneur david flanigan used this trail in 1900 to build cableworks that lowered lumber into zion canyon from cable mountain. more than of lumber were lowered by 1906. the auto road was extended to the temple of sinawava, and a trail built from there to the start of the narrows. angel's landing trail was constructed in 1926 and two suspension bridges were built over the virgin river. other trails were constructed by the civilian conservation corps during the 1930s.