Some of this gold began to come to Yerba Buena in trade, and to disturb the value of merchandise, particularly of mules, horses, tin pans, and articles used in mining: I of course could not escape the infection, and at last convinced Colonel Mason that it was our duty to go up and see with our own eyes, that we might report the truth to our Government. As yet we had no regular mail to any part of the United States, but mails had come to us at long intervals, around Cape Horn, and one or two overland.

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