According to Peter Grandich(Grandich Letters .com),Craig Miller also speculated that NDM may be worth as high as $128 a share given the current and projected future price of copper.The PEA did not include the much higher grade type of mineralization situated at the eastern side of the deposit yet.Later on they will move on to assess the underground blockcave potential of Pebble East.Together with the open pit side of the mine ,the mineral production rate should double the original estimate.It,s going to be a 100 plus year mine that will out-live all of us .