But in this case it wasn't sand or water -- it was explosive.
A golfer looking for an errant tee shot found a half-buried hand grenade near the eighth fairway of the Augusta, Ga., Municipal Golf Course.
Bomb squad members decided not to take any chances and detonated the grenade in a controlled blast.
It was a so-called "pineapple" grenade, the type used by the military from World War I until Vietnam.
Officials note that during the First World War what's now the golf course was part of an Army base.
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