The rapids thought was one that initiated with Six Flags, as the primary whitewater-kind experience in American is traced into the defunct Texas park Astroworld in 1980. Magic Mountain’s get followed a year later on. Astroworld’s proprietors were impressed by a man-made river system designed for the 1972 Munich Olympics, https://follow-me-flag19841.boyblogguide.com/27740188/detailed-notes-on-tour-guide-flags