Archaeological investigations at the site of the Oldman River Reservoir were initiated in the mid 1960s. This report summarizes the campsites project, which involved the assessment and archaeological excavations at 23 prehistoric sites between the mid 1960s and 1990. There were 1,591.5 square meters excavated over the course of the program, resulting in the recovery of 343,349 artifacts. Excavations revealed more than 9,000 years of occupation of this area.