You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place at N. end of Tower Rd. Alpena twp. T31N,R8E,Sec.20,NW1/4 Remove constraint Place: at N. end of Tower Rd. Alpena twp. T31N,R8E,Sec.20,NW1/4 Topic Magnoliopsida Remove constraint Topic: Magnoliopsida