. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fig. 1. Pisolitic limestone. (Cat. No. 35306, U. S. N. M.) Fig. 2. Oolitic limestone. (Cat. No. 18708, U. S. N. M.). 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 Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Mus

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. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fig. 1. Pisolitic limestone. (Cat. No. 35306, U. S. N. M.) Fig. 2. Oolitic limestone. (Cat. No. 18708, U. S. N. M.). 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 Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution

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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840