Later, after some follow-up, I wrote another blog post about doing "311 the hard way," click here. Turns out the property isn't even in Minneapolis so it's outside of 311 jurisdiction, as discussed in comments on the previous story.
However, I'm pleased to report that, recently, the owners of the building (which I strongly suspect to be part of the kick-ass Fort Snelling facility) have been...
...slapping up anti-graffiti paint like it's going out of style. The picture at the top, taken about a week ago, tells the tale. In the meantime, however, the building has been hit again. But now the owners of the building seem to be into the spirit of revitalization, and never grow tired of painting over.
Hey, it's like mowing grass. Just because the grass grows back doesn't mean you despair. You just start all over, humming a happy tune.