Musnad Abu Ya'la al-Mawsili 243:11

Uqbah ibn Mukram narrated to us, Yunus narrated to us, Ibrahim ibn Isma'il narrated to us, from Yazid al-Raqashi, from his father, from Abu Musa, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Seventy prophets have passed by the rock of al-Rawha', among them Musa, the Prophet of Allah, barefoot, wearing cloaks, heading toward the Ancient House of Allah."