Download or read book The Night the Mountain Fell written by Edmund Christopherson and published by Lulu.com. This book was released on 2019-09-30 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Night the Mountain Fell is the riveting account of the deadly 7.5 earthquake that struck Hebgen Lake in Yellowstone Park, Montana, on August 1959. Also known as the Yellowstone Earthquake, the disaster caused massive flooding and the worst landslide in the history of the Northwestern United States.