Joshua 4:20
And those twelve stones, which they took out of Jordan, did Joshua pitch in Gilgal.
Cross-reference
In Joshua 4:3, the Lord commanded taking twelve stones from the Jordan — this verse records Joshua carrying out that command.
In Joshua 4:9, Joshua sets up twelve stones in the Jordan itself; here he sets up another set at Gilgal as a dual memorial.
In Joshua 24:26, Joshua sets up a large stone as a covenant witness; here he sets up twelve stones as a memorial of deliverance.
In Exodus 24:4, Moses erects twelve pillars representing Israel's tribes; here Joshua sets up twelve stones as a tribal memorial.
In 1 Samuel 7:12, Samuel sets up a stone called Ebenezer as a memorial of God's help; here Joshua sets up twelve stones for the same purpose.
In 1 Kings 18:31, Elijah also uses twelve stones to build an altar, echoing the tribal memorial of twelve stones set up here.
In Genesis 31:46, Jacob builds a stone heap as a witness; here Joshua sets up twelve stones as a memorial of crossing the Jordan.
In Isaiah 19:20, a sign and witness is set up in Egypt, similar to the stones as a perpetual sign and witness in Joshua.