The 28th April 1997, an informal reflection group constituted during the 5th international congress on dry stone held at Imperia, Italy, in October 1996, held a meeting at Le Val (Provence, France) and created the:
Société scientifique internationale pour l'étude pluridisciplinaire de la Pierre Sèche
On August 2nd 1997, the Society was officially declared in the government journal of France (according to laws of 1901 and 1941 : no incidence of the nationality for the quality of partner or member of the board)
Since then, the SPS keeps the links alive …
among researchers, craftsmen, societies and particulars.