14:24

Groundwater

20:04

Basics of Groundwater Hydrology by Dr. Garey Fox

17:57

ŽIVO! Life and Water in the Karst Region

14:13

How Wells & Aquifers Actually Work

17:23

Groundwater video 3: groundwater flow & Darcy's Law

16:46

Karst Scenery and Underground Water Table

14:02

Examining Mackinder's Heartland Thesis

10:42

How Groundwater Moves in Southeast Minnesota [Part 1]