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Drumheller Channels
Drumheller Channels
View downstream of Park Lake Side Canyon, one of the channels which fed floodwaters to Grand Coulee
View downstream of Park Lake Side Canyon, one of the channels which fed floodwaters to Grand Coulee
Glacial Lake Columbia (west) and Glacial Lake Missoula (east) are shown south of the Cordilleran ice sheet. The areas inundated in the Columbia and Mi
Glacial Lake Columbia (west) and Glacial Lake Missoula (east) are shown south of the Cordilleran ice sheet. The areas inundated in the Columbia and Missoula floods are shown in red.
Giant ripple marks at Markle Pass near Camas Hot Springs, Montana, U.S. View towards the northwest.
Giant ripple marks at Markle Pass near Camas Hot Springs, Montana, U.S. View towards the northwest.
During the ice age floods, Dry Falls was under 300 feet (91 m) of water approaching at a speed of 65 miles per hour (105 km/h).
During the ice age floods, Dry Falls was under 300 feet (91 m) of water approaching at a speed of 65 miles per hour (105 km/h).
Glacial Lake Missoula high-water mark, 4,200 feet (1,280 m), near Missoula, MT
Glacial Lake Missoula high-water mark, 4,200 feet (1,280 m), near Missoula, MT