Photo 1 by Dr. Ken Jones (2009).
Photo 2 by Dustin Holmes (Oct. 30, 2010).
Photo 3 Google Earth street view (Mar. 2012).
Photo 4 by unknown (June 2, 2012).
Photos 5-7 by unknown (Dec. 1, 2013).
Where to find it
Southeast corner of W. Commercial St. & N. Campbell Ave. intersection, in Springfield. The HGC sign faces west and is on the opposite side of the building from MPS 25-39-01. Two-story brick building. Brown. Greatly faded.