An attempt to integrate the results of provenance studies for several kinds of lithic materials utilized by Dorset Paleo-Eskimo inhabitants within the Maritimes province in Canada. The goal of this research is to reconstruct regional strategies of raw materials provisioning, together with the nature and scope of interregional communication and exchange--between Labrador and Newfoundland populations, as well as between Labrador and northern Quebec/Central Arctic groups--that is suggested by the data.