Page:Vol 6 History of Mexico by H H Bancroft.djvu/538

518 rendered it necessary to establish other mints, which at one time reached the number of fifteen. After this, only a small quantity of the precious metals reached the city of Mexico. The mint and refinery were leased to private persons in 1847 for ten years, and the lease was several times renewed. From 1804 to 1848 the total yield of gold and silver was $768,000,000, and the production from the latter year to June 30, 1877, $702,000,000, making $4,470,000,000. By the fourth table of the treasury department showing the coinage of the fiscal year 1877-8, it is seen that the amount of gold coined was $691,998, and of silver $22,084,204, or a