(Spots) NE of Blue Mound, Pleasant View Township, Macon County, IL. Seiberling St. (becomes Blue Mound Rd.) E. 2.2 miles from jct with IL48 in Blue Mound, N. on Rosedale Rd. 1.1 miles to the tank on the W. side of the road at 9445. (N39 42.876 W89 05.036) Photo 10-9-10.