Archaeological excavations. 15 palynological samples. Report sent to SRA Franche-Comté, on the 17/04/1990.
Natural site: peat bog. 63 palynological samples. A reanalysis was taken by Elena Ortu while in the Edytem laboratory in Chambéry, and then by Fernand David (Aix-Marseille University).
Archaeological dig. Rural settlement. 7 palynological samples. Neolithic-Protohistory. Problematic radiocarbon datings resuts. Report sent to SRA Franche-Comté, on 1991.