. BoletÃ-n del Instituto Geológico de México. Geology; Geology; Paleontology. Instituto Geológico de México. BolatÃ-n nüm. ,2. Lám XX PRODUCCIÃN DE METALES M^ietrtoÃ-rf IBJÃÃ2> KI, IKDIftf^. Ã-gno^l 1880 â 1B81 I 1882 J 1»83 ¿ 1884 I 1885 J I8«6 j 1887 ¡ 1888 J 1889 | 1890 | 1891 I 1892 J l«a« J ¡«94 |. r880 ^ 1881^82 ^ 1883 ' 1884 ' 1885 1886 1887 18-88^1«»« ,890 ,891 1892 ,«93 ,89*. 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

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. BoletÃ-n del Instituto Geológico de México. Geology; Geology; Paleontology. Instituto Geológico de México. BolatÃ-n nüm. ,2. Lám XX PRODUCCIÃN DE METALES M^ietrtoÃ-rf IBJÃÃ2> KI, IKDIftf^. Ã-gno^l 1880 â 1B81 I 1882 J 1»83 ¿ 1884 I 1885 J I8«6 j 1887 ¡ 1888 J 1889 | 1890 | 1891 I 1892 J l«a« J ¡«94 |. r880 ^ 1881^82 ^ 1883 ' 1884 ' 1885 1886 1887 18-88^1«»« ,890 ,891 1892 ,«93 ,89*. 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 Instituto Geológico de México. México : [Instituto]

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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology