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Hi There Any luck with this? What CMS are you using? Most CMS's allow editing of this sort of thing. If not, as others have suggested you could see if the descriptions show up in something like Screaming Frog or even just a simple header checker like http://urivalet.com/

dunno who this "is" but you might start if you're doing the detective work with their DNS host - google for - PUBLISHERGATEWAY.NET and that should get  you started....

If you've set up 301 redirects for the important pages (those with links or that get direct traffic from bookmarks, etc), I would simply let the old pages fall out of the index on their own. Just be sure those old pages are properly returning a 404 status. When Googlebot requests a page and gets this server response, it will deindex the page. If the old content is problematic for sensitive reasons, you may want to request removal of specific pages - this will stop them from being accessible in Google's cache. There is no other benefit here, and unless there is truly sensitive information or some legal reason to remove those pages, requesting removal of those pages is not worth the effort. It won't help the new pages get indexed faster.

I agree with Dignan99's initial thoughts about the ability of SE's to connect the dots. I've also found the on-page targeting of the geographic terms to be crucial. I've found a lot of value in getting a link for, say, "IT Services" and pointing it deeper into the site to a page that targets "IT Services Boston". In terms of actual places to get links, I've always felt that getting links that are not only topically relevant, but also geographically relevant is important in that sort of campaign. I tend to go for good quality regional or local sites.