Bible Verses About Wells: Often covered to prevent their being filled with sand

As he looked, he saw a well in a field; and there were three flocks of sheep lying there next to it; because they watered the sheep from that well. The stone on the well's mouth was large,

and only when all the flocks had gathered there would they roll the stone away from the opening of the well and water the sheep. Then they would put the stone back in its place on the well's opening.