Probably Pin Pilings. You could call the GC and ask, you know. You're a reporter.

Those look like excavators to me. I.e. the scoopy arm is their thing, versus scoop on the back and blade on the front.

If that's a trackhoe, what do you call a tracked backhoe?

What I have learned from this is that Christopher Frizzelle spends very little if any of his time in the company of children.

If you’re close enough to take a picture, couldn’t you actually go find out what everything is for? And then write about it?