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If the second link goes to the same url, the anchor text will be ignored. If you are looking for local ranking, I'd suggest pointing the second link to the page containing your physical address.

I'd not remove pages from a site (unless they are duplicated, or void): the more the pages, the more the PR internal flow (if you a have a well designed site architecture).

I agree with David: building some authoritative links from many different resources is the way to improve your DA.