. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Figs. 1 and 2. Concretionary pebbles of siliceous sinter. (Cat. No. Fig. 3. Concretionary aragonite. (Cat. No. 36097, IT. S. N. M.) Fig. 4. Pegmatite. (Cat. No. 10771, U. S. N. M.) , 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. B
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Figs. 1 and 2. Concretionary pebbles of siliceous sinter. (Cat. No. Fig. 3. Concretionary aragonite. (Cat. No. 36097, IT. S. N. M.) Fig. 4. Pegmatite. (Cat. No. 10771, U. S. N. M.) , 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
