You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Jefferson Township, Travel Brook, ca 1 mi NE of Coopers Mills. In woods along and on boulders in brook just above its confluence with Sheepscot River. Remove constraint Place: Jefferson Township, Travel Brook, ca 1 mi NE of Coopers Mills. In woods along and on boulders in brook just above its confluence with Sheepscot River. Topic Bryopsida Remove constraint Topic: Bryopsida