This is the 3 part video series done by Dave Canterbury of Wilderness Outfitters and The Pathfinder School. He’s one of the best modern day experts on Survival and Preparedness. Links to his sites and school will be posted below. Please note that these videos were made by Dave Canterbury, and I have no affiliations with him.
Dave’s Youtube Channel: https://www.youtube.com/user/wildernessoutfitters
Self-reliance Outfitters and The Pathfinder School: https://www.selfrelianceoutfitters.com/