Walking now. Concrete?

[bsit1361]

Is this a piece of concrete? Walking now at a site and this was stuck in the mud. Started to break apart. If its concrete what would it be?

 

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[bsit1361]

Here's the pix

 

[natch.]

looks like a foot off something, maybe a grinding bowl

 

[bsit1361]

Something natch. Can't figure it out. If its concrete what would it be. Could it have been a pipe? There was more to it but it broke apart. Good to see ya