וּשְׁתֵּ֧ים עֶשְׂרֵ֣ה אֲבָנִ֗ים הֵקִ֣ים יְהוֹשֻׁעַ֮ בְּת֣וֹךְ הַיַּרְדֵּן֒ תַּ֗חַת מַצַּב֙ רַגְלֵ֣י הַכֹּהֲנִ֔ים נֹשְׂאֵ֖י אֲר֣וֹן הַבְּרִ֑ית וַיִּ֣הְיוּ שָׁ֔ם עַ֖ד הַיּ֥וֹם הַזֶּֽה׃
Joshua also set up twelve stones in the midst of the Jordan, in the place where the feet of the priests that bore the ark of the covenant stood; and they are there unto this day.
Read halakhic rulings (Jewish law) on Joshua 4:9: and classical halakhic sources.