Unknown Location

Anybody seen this one?

I took this pic some time ago and now I can't remember where it was.

But I know this: it's in Tucson, uh, somewhere.

Randy

(Update from Jerry -- March 11, 2010: Thanks to the anonymous comment below, and my stop by that corner today, I can see that this mural is a previous version of Uncle Bob's wall on Glenn. Here's the 2010 version. Thank you, Anonymous!)