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Valparaiso-Portillo Pass-Sagacity of Mules-Mountain-torrents-Mines, how discovered-Proofs of the gradual Elevation of the Cordillera-Effect of Snow on Rocks-Geological Structure of the two main Ranges, their distinct Origin and Upheaval-Great Subsidence-Red Snow-Winds-Pinnacles of Snow-Dry and clear Atmosphere-Electricity-Pampas-Zoology of the oppo