You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Dunka River near Eric mine, 4 miles east of Babbitt, Copper - Nickel Environmental Study Plot G21 Remove constraint Place: Dunka River near Eric mine, 4 miles east of Babbitt, Copper - Nickel Environmental Study Plot G21