Cross reference
Joshua 18:17
17 and it extended northward, and went out at En Shemesh, and went out to Geliloth, which is over against the ascent of Adummim; and it went down to the stone of Bohan the son of Reuben;
Joshua 15:6
6 and the border went up to Beth Hoglah, and passed along by the north of Beth Arabah; and the border went up to the stone of Bohan the son of Reuben;