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Mystery of the Megaflood 2005 Mynediad Diderfyn Am Ddim
The Channeled Scablands in Washington state defied conventional explanations for their formation for decades. Little by little evidence mounted for an old theory that was rejected by the scientific establishment. It involved glaciers, volcanoes, a relatively minor river and a prodigious amount of water. Originally aired as an episide of NOVA.
Genre: Documentary, History
Cast: Richard Donat
Criw: Ben Fox (Director), Joe Kennedy (Director)
Stiwdio: GBH
Amser Cinio: 55 munudau
Ansawdd: HD
Rhyddhau: Sep 20, 2005
Gwlad: United States of America
Iaith: English
