TranscriptionYELL29399 Earth and rock slide caused by '59 earthquake at lower Gibbon River Bridge. 59-1020; YELL20905 Slide and damaged wall section at Gibbon Fall caused by '59 earthquake. 59-1023; YELL20905 Gibbon Falls slide section showing rocks in road, caused by '59 earthquake. 59-1021; YELL20905 Slide at Gibbon Falls caused by '59 earthquake. 59-1024; YELL20905 Rock in roadway at Gibbon Falls caused by '59 quake. 59-1022; YELL20905 Slide at Gibbon Falls caused by '59 earthquake. 59-1025
