(Princess Onarga) in Onarga, Iroquois County, IL. IL54 (Seminary Av.) W. 0.1 miles (2 blocks) from jct with US45 in Onarga to the mural on the S. side of the road on the W. side of a building at 121 W Seminary Av. (10-5-03, N40° 42.886', W88° 00.503')