The link David Edwards provided works. Now to import and play.
Glad that worked, please let me know if they are fit for purpose.
I need to get back this "fun" project at some point. They looked ok in arcGIS on a quick once-over.
"Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it. When we enquire into any subject, the first thing we have to do is to know what books have treated of it. This leads us to look at catalogues, and at the backs of books in libraries."
— Samuel Johnson
I wonder, would the great Samuel Johnson have replaced that with "GIYF" now?