Directions: From junction of MN 7 and CR 1 in Corvuso, travel N on CR 1 a distance of 4 miles, then turn W on CR 22 a distance of .3 miles, parking lot on N side of road. Description: Slightly rolling topography in covers this 45 acre unit. Shallow wetlands, grassland, and voluteer deciduous. North end of this unit provides public access to a large, deep water marsh