Examples of Features Created by Lake Missoula, Lake Columbia and the Ice Age Floods
Strandlines
Coulees
Erratics
Rock Flour
Mesas & Buttes
Giant Current Ripples
Drop Stones
Plunge Pools
Flood Bars
Varves
Potholes
Rhythmites
Gulch Fillings
Streamlined Hills
Clastic Dikes
Longitudinal Grooves
Melon Gravels
All photos by
Tom Foster
unless otherwise noted.
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