You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alllis Twp. On E. side of Tomahawk Cr. 1/2 mi. E. of M-33 eight mi. S. of village of Onaway. Remove constraint Place: Alllis Twp. On E. side of Tomahawk Cr. 1/2 mi. E. of M-33 eight mi. S. of village of Onaway. Topic Piptatheropsis Remove constraint Topic: Piptatheropsis