Genesis 24:20; Genesis 30:38

Genesis 24:20

20 And she hasted, and emptied her pitcher into the trough, and ran again unto the well to draw water, and drew for all his camels.

Genesis 30:38

38 And he set the rods which he had pilled before the flocks in the gutters in the watering troughs when the flocks came to drink, that they should conceive when they came to drink.