I think these 2 guys are the same guys. Check out these 2 "Joe Harris's" and read this article.
http://boxrec.com/boxer_display.php?boxer_id=005994
http://boxrec.com/boxer_display.php?boxer_id=157386
here is the article.
http://fightnews.com/hammons112.htm
Hope this helps.
-Local Talent