While reviewing the events around the catastrophic drainings of Glacial Lake Agassiz, the ongoing question arises: What was the impulse of energy that initiated the domino procession of megafloods?  We continue to marvel at the oversized mid-continent spillways in the Dakotas, Minnesota, and Wisconsin – investigating multiple sites with the “advanced viewer” on the USGS National Map website, with particular focus on the underfit rivers, the massive potholes along the St. Croix (that we explored with Graham Hancock in 2014), and the discharges thru Lakes Nipigon and Superior. RC then broadens the connotations of “lake” to include more temporary impoundments of meltwater, which leads to a critical assessment of the current model of Lake Missoula and its Ice Dam. And in preparation for next episode’s special guest, Jerome Lesemann, we get an introduction to Canada’s extensive drumlin fields…   CBD RECOMMENDED - Listen to Randall’s experience with “CBD from the gods” after the mid-break at 54:26. 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 https://www.cbdfromthegods.com Support Randall Carlson's efforts to discover and share pivotal paradigm-shifting information! Improve the quality of the podcast and future videos. Allow him more time for his research into the many scientific journals, books, and his expeditions into the field, as he continues to decipher the clues that explain the mysteries of our past, and prepare us for the future...   Donate to this work thru his Patreon subscription/membership site, and receive special perks: https://patreon.com/RandallCarlson Or make a one-time donation thru PayPal, credit/debit card or other account here: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=8YVDREQ9SMKL6&source=url   http://www.RandallCarlson.com has the podcast, RC’s blog, galleries, and products to purchase! Scablands May REXpedition: http://ContactattheCabin.com/Carlson Podcast crew email: Kosmographia1618@gmail.com Info on upcoming trips with Randall and the crew: TOURS@RandallCarlson.com Small class lectures "Cosmography 101" from '06-'09 on Brad's original channel: https://youtube.com/geocosmicrex       Full listing of scientific papers about the Younger Dryas Impact Hypothesis: https://cosmictusk.com    Kosmographia logo and design animation by Brothers of the Serpent. Check out their podcast: http://www.BrothersoftheSerpent.com/ Theme “Deos” and bumper music by Fifty Dollar Dynasty: http://www.FiftyDollarDynasty.net/ Video recording, editing and publishing by Bradley Young with YSI Productions LLC (copyrights), with audio mastered by Kyle Allen.   LINKS:  https://viewer.nationalmap.gov/advanced-viewer/  (give it a minute to load all the data) St Croix Dalles: https://files.dnr.state.mn.us/destinations/state_parks/interstate/interstate_geology.pdf Impact at Nipigon? https://www.youtube.com/watch?v=Dn8NBPA2w5I CBD FROM THE GODS LINK:  http://www.cbdfromthegods.com COUPON CODE: RCshipsFREE   #Megafloods #Agassiz #MinnehahaFalls #StCroixPotholes #YoungerDryas #Cartophile #Drumlins