United States, Minnesota, Washington, On the east side of Highway 4, about 1/2 mi northwest of Marine on St. Croix. 150 feet above the floodplain of the St. Croix River. SW1/4 NE1/4 of section;;031N;20W;01
Spring-fed wetland with scattered groves of tamarack and dogwood, perched about 150 feet above the floodplain; assoc. species include: Symplocarpus foetidus, Carex interior, Hydrocotyle americana etc.