You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Whetstone Brooke Picnic Area, 7.8 mi south of Penobscot Co line along Hwy 11, north of Milo. Remove constraint Place: Whetstone Brooke Picnic Area, 7.8 mi south of Penobscot Co line along Hwy 11, north of Milo.