Notice on the right side of the building, north side, sign denoting Boys Entrance, there is a similar sign on the other end of the building saying Girls Entrance.
Information on Cement City: http://www.tsha.utexas.edu/handbook/online/articles/CC/hrc36.html
The area is being redeveloped now with industrial warehouses and single and multi-family residences along with retail establishments after the Trinity Portland Cement Company closed down it's plant and disasembled it. Bonnie was originaly buried in a cemetary that was part of Cement City but was later moved to her present location.