Re topic, these are your words, not mine.
"You know, like the ones maybeinoregon talks about in the Portland area."

The point that your so desperately trying to evade is that soils,  degraded by whatever means, can be redeemed(Do your own counter-research if you like, you've provided nothing but conjecture here). I really don't care if you acknowledge that fact or not, but I see no  reason to waste any more of my time debating this.