“Send some men on your behalf to investigate the land of Canaan, which I am giving to Bnei-Yisrael. Each man you are to send will be a prince of the tribe of his fathers, a man from each tribe.”
and command them saying, ‘Take for yourselves twelve stones from the middle of the Jordan, from the place where the feet of the kohanim are standing firm, and carry them over with you, and deposit them at the place where you will lodge tonight.”