It could be with a little editing. The problem is that for much of the information to be accurate, you need to have every cache ever published in the area. While that's easy for existing caches, getting together and maintaining the archived caches is not easy, and they have to be updated on a regular basis.
PS: It's not a good idea to post your email on a web page; you should post an altered version of it like haffy AT ymail DOT com if you do.