hydrogeology – Sharon A. Hill

Trapped in flooded caves

By Sharon A. Hill | July 5, 2018

From June into July of 2018, media coverage about 12 boys and an adult man trapped in a cave in Thailand transfixed people around the world. How did they get trapped and not be able to get out? Let’s talk groundwater and karst.

Dowsing: Witching for water

By Sharon A. Hill | March 19, 2017

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Dowsing (water divining or water witching) doesn’t work any better than chance or through use of surface clues. So why does it still spark heated arguments and create once-skeptical converts even today? Does it still have a place in modern well drilling?