International audienceBegun at the end of 2003, this Franco-Rumanian project bringing together archaeologist, historian, ethnologist, geomatician, geo-archaeologist, paleobotanist and chemist, focuses on a natural resource with characteristic properties and uses: the salt spring water. This article deals with its objectives and methods as well as the protocol of the spatial analysis and the methodological choices imposed by such various data. This interdisciplinary research on both biochemical, environmental processes and social contexts taken in the long time – since the first exploitation or as early as the most ancient Neolithic – aims at defining the dynamics and the interactions between Man and salted water in a pre-mountainous zone pa...