. The earth and its inhabitants ... Geography. 180 MEXICO, CENTRAL AMEErCA, WEST INDIES. So extensive is the area of the Mexican mineral region that it may be estimated at four-fifths of the whole territory. The chief metalliferous zone is that of the western Sierra Madre from the Arizona frontier to the isthmus of Tehuantepec ; but the other Sierra Madre is also very rich, especially in the States of San Luis Potosi and Hidalgo. Besides gold and silver the Mexican highlands contain deposits of platinum,, copper, lead, iron, manganese, and quicksilver, the last of Fio-. 77.—Yield of Gold and S
. The earth and its inhabitants ... Geography. 180 MEXICO, CENTRAL AMEErCA, WEST INDIES. So extensive is the area of the Mexican mineral region that it may be estimated at four-fifths of the whole territory. The chief metalliferous zone is that of the western Sierra Madre from the Arizona frontier to the isthmus of Tehuantepec ; but the other Sierra Madre is also very rich, especially in the States of San Luis Potosi and Hidalgo. Besides gold and silver the Mexican highlands contain deposits of platinum,, copper, lead, iron, manganese, and quicksilver, the last of Fio-. 77.—Yield of Gold and Silver in VAiiiotrs Cottnteles since 1492. NEW Mexico: £848,000,000. Bolivia and Peru : £820,000,000. ;;; 1 1 :|::::::;:: ;;; ;; 1 ;;;; i ; 1 ;| M ;;; t:: 1 i :1 g 1 ::: 1 ;; -1 f~ -+i ::: î; ;;; :;; ;;;; ;: ;;;;I;S Uaited States : £400,0u0,0i;0- Eest of America : £500,000,000. OLD Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Reclus, Elisée, 1830-1905; Ravenstein, Ernest George, 1834-1913; Keane, A. H. (Augustus Henry), 1833-1912. New York, D. Appleton and company
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