Random Roadcuts #4: US-385 near Wind Cave National Park, South Dakota

In this innovative video series, geology professor Shawn Willsey investigates a random roadcut, makes observations, and formulates basic interpretations. This interactive series aims to assist you, the viewer, in deciphering rocks and landscapes. Here in Episode #4, we visit an interesting roadcut along US 385, near Wind Cave National Park in the Black Hills of South Dakota. GPS Location: 43.52149, -103.47988 Support geology education via: PayPal: https://www.paypal.com/donate/?hosted... or Buy Me: https://buymeacoffee.com/shawnwillsey or Venmo: @shawn-willsey or click on the "Thanks" button above or a good ol' fashioned check to: Shawn Willsey 148 Blue Lakes Blvd N #141 Twin Falls, ID 83301 Willsey website: https://www.willseygeology.com/ Willsey merch store: https://geologyexplained-shop.fourthw...