The Middle Devonian Traverse Group is a sequence of carbonates and shales randomly exposed as shoreline bluffs, roadcuts, river gorges, and quarries in the northern portion of Michigan’s Southern Peninsula. Some of the most accessible of these outcrops are in Charlevoix and Emmet counties, where large sections of the group are exposed and are easily viewed bytraveling U.S. 31 north along the Lake Michigan shoreline (Fig. 1). The route defined in this chapter can be followed on the Charlevoix, Bayshore, and Petoskey, Michigan 15-minute quadrangles. Most locations described are situated on public lands. Visitors are urged to obtain permission...