Acre-foot
From Conservapedia
An acre-foot is the volume of water required to cover 1 acre of land to a depth of 1 foot. An acre-foot is equal to 325,851 gallons or 1,233 cubic meters.
An acre-foot is the volume of water required to cover 1 acre of land to a depth of 1 foot. An acre-foot is equal to 325,851 gallons or 1,233 cubic meters.