'Windmills to pump this from the ground made it possible to settle large parts of the United States'
water
WINDMILLS: Windmills to pump this from the ground made it possible to settle large parts of the United States
Windmills to pump this from the ground made it possible to settle large parts of the United States
Windmills to pump this from the ground made it possible to settle large parts of the United States
WINDMILLS
water
WINDMILLS