Actes de la séance de la Société préhistorique française de Châlons-en-Champagne (29-30 mars 2016)International audienceA nation-wide project of mapping deep pits dating to Pre- and Protohistory in continental France was launched by INRAP in 2015. Positioned at the interface between regional projects, on pits with V-, Y- and W-shaped profile (Schlitzgruben) as well as on deep pits dated to the Mesolithic, and nation-wide studies carried out by the INRAP (such as those focusing on the Bronze Age and Early Iron Age), the current project aims to bring together data and actors within the field of rescue archaeology in order to create an operational mapping tool. Constructed on a rational basis combining four levels of information (operation, pi...