Further to my message,the link attached here ,on Encanto Potash, raises the issue of how other investments in Canada will be looked at by the Feds with respect to "net benefit to Canada". reference is made to investments in metals,energy,etc.

http://view.exacttarget.com/?j=fe5b1571726d047b7013&m=fef5137774670c&ls=fdf71179756506757d167276&l=fe9415747062077a74&s=fe2c1275716c077d761674&jb=ffcf14&ju=fe27157072650c7f7c1078