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

And as he looked about, behold there was a well in the field, and lo, three flocks of sheepe lay thereby (for at that well were the flockes watered) and there was a great stone vpon the welles mouth.

And thither were all the flockes gathered, and they rolled the stone from the welles mouth, and watered the sheepe, and put the stone againe vpon the welles mouth in his place.