4. Infrastructure and infrastructure. Road most, then electrical power line, finally railway, all else would fall into place due to these.

My comments re remainder:

5 & 6. Politicians and the native peoples are the next issue in importance because they can be the life or death of any project.

17? though not mentioned in the list, is the land hold of Noront and associated with that future possibilities regarding new or expanded exploration and discoveries.

1. The upside down nickel elephant has to be there BUT the body is too far down to be practically accesible, hence mute point. We are left with the long legs open at bottom end.