You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Ladney-Lambton Site, Sarnia area. Approximately five km south of Courtright, west of Greenfield Road and south of Old Springs line. Remove constraint Place: Ladney-Lambton Site, Sarnia area. Approximately five km south of Courtright, west of Greenfield Road and south of Old Springs line. Place Lambton Remove constraint Place: Lambton Place Ontario Remove constraint Place: Ontario Topic Eleocharis Remove constraint Topic: Eleocharis