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Episode #045: Phenomenal Lake Agassiz and Megaflood Spillways

#Agassiz #IceAgeFloods #YoungerDryas #YDB #LakeMissoula #Megafloods #Geomorphology

RC wonders why there has been no coherent theory that connects all the known megaflood events with the rapid deglaciation from 14.6 – 11.6ka. Lake Agassiz was like an inland sea of fresh water, dwarfing the modern “Great Lakes” that drained off thru multiple routes back to the oceans, in many places with known catastrophic erosion. Massive mid-continent spillways contain the meandering underfit modern rivers, but were once channels for outrageous volumes of meltwater. We question the formation of glacial Lake Missoula and the force that pushed the first domino and initiated the sequence of catastrophes, as we continue to build our vocabulary and grammar that is allowing us to read the language of the landscapes – known as geomorphology. Identical features are on Mars and in stream-beds, illustrating the scale-invariant nature of water doing its work of erosion and deposition. In a final rant during this distributary episode, Randall supports Graham Hancock and bashes those that ask for credentials.

CBD RECOMMENDED – Listen to Randall’s experience with “CBD from the gods” after the mid-break at 37:15. They have some special deals going on right now, and in addition, for the Kosmographia audience – you can also get FREE shipping on your order!  Use code: “RCshipsFREE” (not case sensitive) when you check out at

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Scablands May REXpedition:

Podcast crew email:

Info on upcoming trips with Randall and the crew:

Small class lectures ‘Cosmography 101’ from ’06-’09 on Brad’s original channel:

Full listing of scientific papers about the Younger Dryas Impact Hypothesis:

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Theme “Deos” and bumper music by Fifty Dollar Dynasty:

Video recording, editing and publishing by Bradley Young with YSI Productions LLC (copyrights), with audio mastered by Kyle Allen.