You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Pictured Rocks National Lakeshore to the north of Park Headquarters (old Coast Guard Station), Sand Point. Sec. 19, T47N R18W Remove constraint Place: Pictured Rocks National Lakeshore to the north of Park Headquarters (old Coast Guard Station), Sand Point. Sec. 19, T47N R18W Topic Ericaceae Remove constraint Topic: Ericaceae