You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Austin, McKinney Falls St Park ca 6 mi SE of center of Austin. Along Onion Creek ca 1 mi above the upper falls. Remove constraint Place: Austin, McKinney Falls St Park ca 6 mi SE of center of Austin. Along Onion Creek ca 1 mi above the upper falls. Topic Poales Remove constraint Topic: Poales