First dug in the 3rd Century and worked until the time of the Revolution, these chalk pits (crayères) offer ideal conditions for the aging of Champagne: constant temperature, a complete absence of vibrations and a perfect level of humidity.
The chalk pits of the hill of St Nicaise are among the Champagne Hillsides, Houses and Cellars included on the UNESCO World Heritage List
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Study conducted by Philippe Tourtebatte [1]
[1] Philippe Tourtebatte: 18 rue William-Russel. 51 170 Courville, Marne; presented to the 119th Congrès National des Sociologues d’Histoire Scientifique in Amiens 1994. Quarries and structures III, p. 119 à 133.