re: guyane and uganda deard.
I have not yet looked at your second situation, but shall if I find time. I am glad my numbers and comments are of some use. There are about five of us who post here who appear to have had extensive exposure to the minerals and oil industries.We all assist each other if we can. Good luck, and do not be afraid to send notes to posters via this medium. CV
HDR
hardman resources limited
