You searched for: Place Cass Remove constraint Place: Cass Place In the Southwest Michigan Land Conservancy's Spirit Springs Preserve. Ca. 7.5 miles WNW of Three Rivers. Remove constraint Place: In the Southwest Michigan Land Conservancy's Spirit Springs Preserve. Ca. 7.5 miles WNW of Three Rivers. Place Michigan Remove constraint Place: Michigan Topic Eleocharis Remove constraint Topic: Eleocharis Topic Poales Remove constraint Topic: Poales