KSPS Documentaries
Ice Dam and Glacial Lake Missoula
Clip: Special | 1m 11sVideo has Closed Captions
An overview of Glacial Lake Missoula
An overview of Glacial Lake Missoula
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KSPS Documentaries is a local public television program presented by KSPS PBS
KSPS Documentaries
Ice Dam and Glacial Lake Missoula
Clip: Special | 1m 11sVideo has Closed Captions
An overview of Glacial Lake Missoula
Problems playing video? | Closed Captioning Feedback
Where to Watch KSPS Documentaries
KSPS Documentaries is available to stream on pbs.org and the PBS app.
The Acceptance of J Harlen Bretz’s Ice Age Flood Theory
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Clip: Special | 2m | J Harlen Bretz provided photographic evidence of great floods (2m)
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Clip: Special | 4m 9s | The Missoula floods carved new river channels or altered exiting ones (4m 9s)
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Clip: Special | 4m 38s | Geologists conducted studies that the great flood occurred multiple times. (4m 38s)
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Clip: Special | 6m 17s | The Missoula floods flowed down to the Pacific Ocean, reshaping the surrounding landscape. (6m 17s)
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Clip: Special | 1m 27s | An overview of ice age flood story (1m 27s)
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Clip: Special | 4m 50s | Geologist J Harlen Bretz is the first to identify a theory of the ice age floods (4m 50s)
Joseph Pardee and Glacial Lake Missoula
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Clip: Special | 3m 38s | Scientist Joseph Pardee gathered evidence about the existence of Glacial Lake Missoula (3m 38s)
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Clip: Special | 4m 16s | Joseph Pardee confirmed Bretz’s theory of the ice age floods (4m 16s)
Landscape of the Pacific Northwest
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Clip: Special | 5m 24s | How floods and glaciers have shaped the landscape of the Pacific Northwest (5m 24s)
The Speed of the Missoula Floods
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Clip: Special | 2m 19s | The great Missoula floods flowed at 500 million cubic feet per second (2m 19s)
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KSPS Documentaries is a local public television program presented by KSPS PBS