Refitting data from La Grande Rivoire prehistoric site

Refitting data from the La Grande Rivoire archaeological site. This record includes: grande-rivoire-fragments.csv. data about lithic objects. Each line documents an object with the folowing variables: id: unique identifier layer: archaeological layer layer.su: combination of archaeological layer and sedimentary unit grande-rivoire-connection.csv. Each line documents a refitting relationship between two objects id1: unique identifier of the first object id2: unique identifier of the second object