Joshua 4:9
And Joshua set up twelve stones in the midst of Jordan, in the place where the feet of the priests which bare the ark of the covenant stood: and they are there unto this day.
Cross-reference
Joshua 4:20 describes the twelve stones taken from the Jordan and set up at Gilgal — a separate but parallel memorial to the one in the riverbed here.
Joshua 3:12 commands choosing twelve men to take stones from the Jordan — the antecedent to the memorial set up here.
Exodus 28:21 also uses twelve stones for the twelve tribes — the breastplate's stones parallel the memorial stones here as tribal symbols.
In 1 Kings 18:31, Elijah also uses twelve stones for the twelve tribes when rebuilding the altar — a direct parallel to the memorial stones here.
Exodus 24:4 describes Moses setting up twelve stone pillars for the tribes — a direct parallel to Joshua's twelve stones memorial.
1 Samuel 7:12 describes Samuel setting up a memorial stone called Ebenezer — a parallel act of erecting a stone memorial for God's help.
In 1 Samuel 15:12, Saul erects a monument to himself, contrasting with Joshua's memorial stones set up to honor God's deliverance.
In 1 Chronicles 13:11, 'to this day' marks a memorial place name (Perez Uzzah), similar to Joshua's stones — both lasting reminders of divine acts.
Deuteronomy 34:6 uses the same 'to this day' phrase for Moses' hidden grave — a contrast to the public memorial stones here.
Psalm 111:2-4 calls for pondering God's works and remembering his wonders — the memorial stones here serve that very purpose.