Farmer Brown lives in a semi-arid part of the United States with numerous small lakes associated with glacial deposits of sand and gravel. He decides he needs to irrigate part of his land and drills a shallow well 100m from his property line with Farmer Smith who has a small lake just across the property line, and he depends on this lake to water his cattle. By late summer, Farmer Smith goes out to his lake and discovers it is dry. What happened