Be careful with boundaries. Many of them are defined by what is on record
in the OSI and changes to the landscape (roads, rivers, etc) don't impact
the line of the boundary.
What should happen is that the official definition of the boundary gets
updated but that appears to be a non-trivial task.
>
> There are many things yet to map. and there are many many corrections
> to be made to the map.
>
to be mapped
individual trees on streets, large areas of forestry across the west.
to be corrected
there are many townland boundaries that do not follow a feature on the
ground. they are close to