I came to the Prophet (ﷺ), and took the oath of allegiance to him. He said: If anyone reaches a water which has not been approached before by any Muslim, it belongs to him. The people, therefore, went out running and marking (on the land).
Reference: Sunan Abi Dawud 3071 In-book : Book 20, Hadith 144 English translation : Book 19, Hadith 3065
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