I'm afraid to tell you that the data already exists for quite large areas, but it's held by the very people (mining etc) that you don't want open access (as it'

I'm afraid to tell you that the data already exists for quite large areas, but it's held by the very people (mining etc) that you don't want open access (as it's their IP). This is a plan to open data to all and I think that's very commendable.