You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Grand Sable Dunes, 1.4-2.0 mi from beginning of Lakeshore Trail at Grand Sable Lake. Remove constraint Place: Grand Sable Dunes, 1.4-2.0 mi from beginning of Lakeshore Trail at Grand Sable Lake. Topic Polypodiopsida Remove constraint Topic: Polypodiopsida