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Show I ARE LOFTIEST OF MINES. Worked by Incas ' and Now to Be Opened by Nlw Company. It Is thought -that tho old Cnylloma silver mines In Peru-nro probably nit-uatcd nit-uatcd at a greater clovatlon than any other considerable mines in tho world. Their nltitudo varies betweon 14,000 and 17,000 feet. They wcro worked by I tho SpanlnrdB In the sixteenth century, " and beforo that, it is bolloved, by tho Incas. An English company Is now preparing, n hydroelectric plant for thorn. This plant will bo situated at an nltitudo of between 15,000 and 10,-000 10,-000 feet. It will derlvo its power from a waterfall on tho Santiago river, and in n dry Benson from Lake Hualllacho, one of tho sources of tho Amazon. The power will bo transmitted by cnblo about three miles. At the highest mines tho pressure of the atmosphere is only eight and one-half pounds n squaro Inch, and water balls 24 degrees de-grees below tho ordinary boiling point. Youth's Companion. |