In a booklet with the title “Ragguaglio di una grotta ove vi sono molte ossa di belve diluviane nei Monti Veronesi (Description of a cave in the mountains of Verona where many bones of beasts from the deluge can be observed)” the engineer and cartographer Gregorio Piccoli del Faggiol (1680-1755) published in 1739 a topographic map of the Italian Dolomites correlated with a sort of stratigraphic column. This column shows layers only some meters thick in sequence as observed in the field. This work, nearly forgotten at its time and still today, is maybe the oldest figure of this kind (image in public domain).

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