California Gold
(Written by Colonel J.C. Fremont in 1847 (and updated in 1852) about his explorations and observations of California during the Gold Rush.)

Mr. Dye, a gentleman residing in Monterey, and worthy of every credit, has just returned from Feather river. He tells me that the company to which he belonged worked seven weeks and two days, with an average of fifty Indians (washers) and that their gross product was 273 pounds of gold. His share (one seventh,) after paying all expenses, is about thirty-seven pounds, which he brought with him and exhibited in Monterey. I see no laboring man from the mines who does not show his two, three, or four pounds of gold. A soldier of the artillery company returned here a few days ago from the mines, having been absent on furlough twenty days. He made by trading and working during that time $1500. During these twenty days he was traveling ten or eleven days, leaving but a week, in which he made a sum of money greater than he receives in pay, clothes, and rations during a whole enlistment of five years. These statements appear incredible, but they are true.