More, more, more hoppers!

Galen asked me in the last Havelock yard post if I could tell if any of the data markings on the HEAPZ hopper appeared to have been freshly painted over the graffiti. I took a few other photos of that hopper from some other angles so I thought I'd re-examine them for clues. I couldn't see any, and I was standing so far away in the grassy picnic area near the parking lot I couldn't make out any…