IPSWICH — When Elizabeth Green found herself in dire need of a new well-water source to sustain her 5-acre hillside plot this summer, the 40-year-old farmer did not turn to scientists or surveyors.

Locating underground water by use of a forked stick is a practice that has been known and used for centuries. Indeed, a European scholar named Georgius Agrocola published a treatise on the subject as ...

Getting your Trinity Audio player ready... Two L-shaped metal rods slowly spin in Greg Storozuk’s clenched fists as he gently steps through the grass near Sloan’s Lake. “The answer is already known,” ...