Scope and Contents From the Collection: The Brandy Blank river running video collection (1940s, 1970s) consists of a VHS videocassette containing a dub of an 8mm color silent film of a 1940s Boy Scout river trip through Glen Canyon led by Bert Loper as well as footage of a 1970s era Westwater Canyon river trip. All materials have been digitized and are available to view on DVD.