(IL-71-01) NW of Byron, Ogle County, IL. IL72/IL2 W. 0.4 miles from the E. jct in Byron, N. on Colfax (CR29) (becomes Tower at S curve) 5.8 miles, W. on Montague Rd. 1.7 miles to the barn on the S. side of the road. (7-29-00, N42° 12.114', W89° 18.453')