Ian Brown on X: "What are these? Found them by the Glen Canyon construction site."

Ian Brown @igb

What are these? Found them by the Glen Canyon construction site.

1:47 AM · Jan 26, 2014 View on Twitter ↗

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Replies

Concrete samples, apparently. Thanks @gln (via @askjelly) for the answer! jelly.co/a/c7a59f

Jan 26, 2014 · 4:18 AM