KSPS Documentaries

J Harlen Bretz’s Discovery

Clip: Special | 4m 50s | Video has closed captioning.

Geologist J Harlen Bretz is the first to identify a theory of the ice age floods

Aired: 04/23/10

Rating: NR

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Problems Playing Video? | Closed Captioning

KSPS Documentaries is a local public television program presented by KSPS PBS.