United States, Minnesota, Itasca, In a marsh which borders the Mississippi River on the W banks. Ca. 8.5 mi. SE of Grand Rapids. NW1/4 SW1/4 Sec.28 T54N In a marsh which borders the Mississippi River on the W banks. Ca. 8.5 mi. SE of Grand Rapids. NW1/4 SW1/4 Sec.28 T54N R24W. 054N 24W 28