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 East Gwillimbury twp., near east bank of Holland River, lots 11 to 115 conc. 1W, ca 1.5 mi. NNW of Holland Landing. Remove constraint Place: East Gwillimbury twp., near east bank of Holland River, lots 11 to 115 conc. 1W, ca 1.5 mi. NNW of Holland Landing.