But Cameron 's companion , when he had packed pack his burro and was ready ready to start , faced face about and said say : " We might stay together , if it 's all right with you . "

On March 3 , 1866 , Powell and I packed pack his provisions on two of our burros , and bidding bid me good-bye he mounted mount his horse , and started start down the mountainside toward the valley , across which led the first stage of his journey .