hope slide along highway 3 in british columbia.

1965 accident along and avalanche british canada catastrophe cliff collapse columbia crashing creek crowsnest damage danger dangerous debris destroyed destruction dirt disaster down earth earthquake environment environmental erosion falling forest geology highway hope hopeprinceton jan killing lake landscape landslide million minor mountain mudslide natural nature nicolum outdoors outram peak people resulting rock rocks rocky safety sand seismology sky slide slope soil stone travel tree triggered valley was