United States, Minnesota, Lake, Iona's Beach Scientific Natural Area / North Shore. Lake County ... Iona's Beach State Scientific & Natural Area along the shore of Lake Superior, five miles northeast of Castle Danger. 1-1/4 miles southwest of the mouth of the Split Rock River ... T54N R9W E1/2 Sec. 13. 054N 09W 13
47.1674866 -91.4269099 +-800m.
beach which consists of fairly small wave-polished cobbles. Occurring atop cobble "berm" 10 feet above lake level and 40 feet inland. In full sun to shaded by Alnus incana & Populus balsamea. Associates include Oenothera biennis, Ruibus strigosus.