Joshua 4:20
And those twelve stones, which they took out of the Jordan, did Joshua set up in Gilgal.
Joshua 4:3
and command ye them, saying, Take you hence out of the midst of the Jordan, out of the place where the priests feet stood firm, twelve stones, and carry them over with you, and lay them down in the lodging-place, where ye shall lodge this night.
Joshua 4:8
And the children of Israel did so as Joshua commanded, and took up twelve stones out of the midst of the Jordan, as Jehovah spake unto Joshua, according to the number of the tribes of the children of Israel; and they carried them over with them unto the place where they lodged, and laid them down there.