20230404-Falconer Lecture: Two of Earth's Earliest Fossil Forests, Catskill Mountains
28:26
20230411-Falconer Lecture: Understanding Weather and Drones
1:04:50
Paul Lindberg - Geologic Features of Archaeological Sites in Northern Arizona & the Colorado Plateau
1:06:54
The Cretaceous-Tertiary Mass Extinction: What Really Killed the Dinosaurs?
1:04:01
Great Earthquakes of the Pacific Northwest
1:05:52
Mount Rainier's Osceola Mudflow
44:55
Is there A RAINFOREST in New York?
57:17
Ancient Rivers of the Pacific Northwest
32:27