Postglacial lake shoreline surveys and lacustrine paleobiotic records in northern Bruce and Grey counties, Ontario, Canada

► Raised Lake Algonquin and Nipissing shorelines were surveyed. ► Shorelines show Algonquin and Nipissing regressions from uplift and outlet erosion. ► Algonquin deep water sediments are barren of fossils. ► Nipissing shallow water sediments are fossiliferous.