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Date: 2013-04-26 00:54:46 | LAYERS… Of rock… The Cerrillos Hills are the skeletons of volcanoes formed 30 million years ago. Orange-brown rock indicate areas where lava mixed with water, depositing silver, lead and iron thatAdd to Reading ListSource URL: www.cerrilloshills.orgDownload Document from Source WebsiteFile Size: 1.013,48 KBShare Document on Facebook |