Nick Zentner - J Harlen Bretz and the Ice Age Floods: New Discoveries
43:28
Schottland und die Orkneys | Leben an der Nordsee | ARTE Family
28:02
Grand Coulee - Ice Age Floods - New Thoughts
1:10:57
What Happened to the Spokane Ice Sheet?
1:02:35
Flood Basalts of the Pacific Northwest
7:51
Record of a Massive Glacier in Anacortes | Nick on the Rocks
1:24:25
Nick Zentner - Bretz and the Channeled Scablands: New Discoveries
8:14
How the Columbia River Got Its Shape | Mossback's Northwest
1:26:23