Category:Geological maps of Mexico - beginning of 20th century

Media in category "Geological maps of Mexico - beginning of 20th century"

The following 4 files are in this category, out of 4 total.

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  Anales del Instituto Geológico de México (1917) (17547224493).jpg 3,172 × 2,140; 1.09 MB
  
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  Anales del Instituto Geológico de México (1917) (17547522983).jpg 2,796 × 2,514; 1.83 MB
  
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  Annals of the New York Academy of Sciences (1901) (18226431790).jpg 3,248 × 2,199; 1.71 MB
  
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  Boletín del Instituto Geológico de México (1910) (20362806056).jpg 2,756 × 2,872; 1.35 MB