Show s lost world wat waterfall derfall A waterfall more than half mile high has been discovered a in british guiana by a harvard fessor dr paul zahl it is 13 pros by V far the highest known waterfall i in the world dr zahl was nying flying over the xa ka river eight miles from mount coraima con conan an doyles lost world when the clouds parted and below he saw what he described as a rib ribbon b 0 n like streak d dropping r 0 P p ehg fajr as it W were e r e from in th the 1 ca clouds 0 u d s 1 for over half an hour he and his pilot circled above the falls which rush over a precipice to a ledge 1400 feet below before breaking into two forks and turn bling into a valley the entire fall is no less than feet 90 states dr zahl |