An Introduction to Karst and the Karst Aquifers of Bexar County (AT Program)
1:12:03
Texas Bumblebees: History and Conservation (AT Program)
14:27
Groundwater & Karst
40:39
Geology and Cave Development in the Guadalupe Mountains with Paul Burger
9:10
Cómo rescatar un nivel freático que se está agotando
42:30
Podcast: Trump und Putin unter sich - Was wird aus Europa und der Ukraine? | Lanz & Precht
51:42
Basics of Karst Hydrogeology on Groundwater Talk Live!
3:00:11
Lord of the Rings | Middle Earth Music & Ambience, 3 Hours
5:02