Strandlines above the Mission Valley, Montana.
Lake Missoula strandlines - Missoula, Montana. Viewing strandlines in multiple locations (i.e. Missoula, the Mission Valley and Camas Prairie) give one a good feel for the volume of water involved in Ice Age Floods events.
David Alt's book, Glacial Lake Missoula and its Humongous Floods includes a good description of strandlines in the Clark Fork drainage.