- Tracing test from the Limère creek sinkholes (Ardon) to the L'Archer springs (Saint-Hilaire-Saint-Mesmin, Loiret, 2023 January)
- Tracing test in the Cisse river at Bas Moron (Loir-et-cher, 2016 May)
- Tracing test from the Clos Lucas sinkhole to the Moulin de Fontaine spring (Loir-et-Cher, 2014 April)
- Tracing test from the Chenevière-Dieu sinkhole to the Chicheray springs (Loir-et-Cher, 2014 March)