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Right I see what you're getting at now. I wouldn't count on too much SEO benefit beyond what you'd normally expect from any other internal link. It sure makes keeping your site and internal link plan organized much easier though, right?

I've asked about this issue before, and got a decent response.  But It didn't accurately identified my problem.  Maybe I could ask again and see if I could get another person to respond. I was just hoping to skip all the run around and pay a reputable company to tell me what's wrong and exactly how I can fix it.

Do you know if it's actually ranking? If it is, make sure that your sitemap has the proper header which identifies it as an xml sitemap. You obviously want Google to crawl it, but if you don't have the proper header, it will treat it like any other page and you might rank for it. You can also put a "noindex, follow" directive on your sitemap, which will crawl it, but not index it as a SERP.