I took me a while to find the API call for Land as it's not the same as the general assets call. Once discovered it wasn't to hard to drum this up and nobody else seems to have done anything like it.
Once that data started flooding down the screen, it was like.. cool! You need to be a coder to understand.
It would be cool to see a feature like this added to Peakmonsters or another similar site; in general, it would be cool, imho, to have somewhere a section for custom features like the one you coded here, and others other coders may come up with. Often through API calls can be made a lot of interesting stuff that a regular users might not even ever know...