These are from
Jeremy Novy. This reminds me of the subway gallery. I really like the inclusion of dog urine for the materials. The captions are great, I wonder if the years are true or just made up. I wish he had more images, and a better variey, dog urine seems to be in the majority of these.
Lamp Post 1973
steel pole, glass, dog urine.
200x10x10 in

Pavement 1962
Concrete slabs, cement, shoe prints, dog excrement, chewing gum.
8000x15050x10 in
Junction Box 1971
steel, paint, wiring, electricity, stickers.
40x27x100 in

Mail Box 1983
steel, paint, fingerprints, dog urine.
56x20x20 in