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Important video sections at minute:

A)  2:28  Savings

B)  4:09  Cross-section of an aquifer

C)  5:58  Rock volumes.

D)  7:00  Best place to drill.

E)  7:23  Egg slicer analogy.

F)  10:28 Fractures tilt.

G)  13:50 Chicken bone.

H)  14:24 Heart of the aquifer, picture.

I)   18:30 Never listen to the driller.

Video 1 of 4 Water Locating

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Depth estimations up to 600 feet.