(Presidential Towers, 10 sided, IL-10-08) in Champaign, Champaign County, IL. US45/150 E. 0.4 miles (about 5 blocks) from jct with US45 & US150 in Champaign, S. on S 3rd St. 3 blocks to the building on the E. side of the road at the NE corner of S 3rd St. & E Green St. (2-13-03, N40° 06.558', W88° 14.084')