Joshua 3:17

3:17 The priests carrying the ark of the covenant of the Lord stood firmly on dry ground in the middle of the Jordan. All Israel crossed over on dry ground until the entire nation was on the other side.

Joshua 4:3

4:3 Instruct them, ‘Pick up twelve stones from the middle of the Jordan, from the very place where the priests stand firmly, and carry them over with you and put them in the place where you camp tonight.’”