(Mary Allen West Tower, IL-48-04) in Galesburg, Knox County, IL. US150 (Main St.) E. 0.5 miles from jct with US150 (Henderson St.), S. on West St. 1 block, E. on Simmons St. ¾ block to the bldg on the N. side of the road at 121. (N40 56.802 W90 22.384) Photo 10-22-10.