Bassin houiller et permien d'Autun et d'Epinac.

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Item Link Original Source
Full view   pt.1 Pennsylvania State University
Full view   pt.2 v.1 Pennsylvania State University
Full view   pt.2 v.2 Pennsylvania State University
Full view   pt.3 Pennsylvania State University
Full view   pt.4 v.1 Pennsylvania State University
Full view   pt.4 v.2 Pennsylvania State University
Full view   pt.5 Pennsylvania State University