. Annual report of the Director to the Board of Trustees for the year ... Field Museum of Natural History; Natural history. Field Museum of Natural History Reports, Vol. 12, Plate 9. GYPSUM CRYSTALS Showing exceptionally long, needle-like development From Swindler Cave, Cushman, Independence County, Arkansas Approximately one-half actual size (Hall 34). 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 Field Museum of Natural
. Annual report of the Director to the Board of Trustees for the year ... Field Museum of Natural History; Natural history. Field Museum of Natural History Reports, Vol. 12, Plate 9. GYPSUM CRYSTALS Showing exceptionally long, needle-like development From Swindler Cave, Cushman, Independence County, Arkansas Approximately one-half actual size (Hall 34). 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 Field Museum of Natural History. Chicago, U. S. A. : Field Museum of Natural History
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnaturalhistory, booky
