Glad to have you studying with me! I have more content in the works and I hope you'll enjoy it. For those that are interested, the best textbook out there is this one: https://amzn.to/47VNed8. However, it's a little old now (two of the authors have passed away) and if you prefer a newer textbook, I would recommend this one: https://amzn.to/45UFDcR For other introductory geology lectures:    • Introduction to Geology   This video describes the water, sediments, and environments where the Smith River dumps into the Pacific Ocean and describes the origins of the Tolowa Sand Dunes. This video was filmed on location in July, 2020. Link to my earlier virtual field trip to the Smith River in the Klamath Mountains: https://www.youtube.com/watch?v=q5GgGx_u1gM Closed captioned.