Significant advances in understanding Pleistocene stratigraphy have provided a new framework for geotechnical investigations in southern Saskatchewan. In Saskatchewan, three formal stratigraphic groups have been recognized in the Pleistocene based on the concept of multiple glaciation. The engineering significance of this stratigraphic framework has now been established.Some of the geotechnical problems in Saskatchewan, related to Pleistocene deposits include slope instability, problems associated with groundwater, location of gravel aggregates, and excavating and handling embankment materials. It can now be demonstrated that these problems are fundamentally related to Pleistocene stratigraphy. Examples are included to illustrate this approach.The analysis of these deposits requires special criteria to establish the true stratigraphic column in terms of reference sections. It has been shown that the reference sections can be extended over very large areas of the region. The principal investigation technique involves the use of rotary drilling and geophysical logging which has proven to be extremely effective when properly interpreted. The criteria used for establishing the stratigraphy are described and examples included. The possibility exists that this approach to investigating geotechnical problems in Pleistocene deposits may extend to other parts of Canada.