History of Nevada; . silicifiod wood—largotrees having been petrified—from which fine spec-imens can be procured. The sandy ])laina of south-ern Nevada frequcntlj show upon their surfacemany pebbles, rough-looking on the outside, about thesize of a hens egg, which, u|)on being broken, arcfound to be agate, hollow—geodes, containing innu-merable, iioautiful, tiny crystals. Calcedony, obsidianetc., are frcijuently found in their company. ^:^

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Keywords: ., bookcentury1800, bookdecade1880, bookidhistoryofnev, bookyear1881