. Bulletin - New York State Museum. Science. Plate 20 To face p. 69 Hantannnflmni nfinsfeKflflAg^Sf i ill H'l'il i'"i 11 CeYYtrvneters. 1 Quartz (agate), Wyoming. 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 New York State Museum; New York State Museum. Albany : New York State Education Dept

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887