lovingu wrote: As adults we can see the changes and realize a risk assessment will include current data, so a 10 -15 year mine life would be the high end, if SALT goes at it alone you may want to sell in the winter during extreme winter conditions (which for the next few years will occur)

Within reason I think $6 as the high end  is possible, I appreciate you thinking logically and not being delusional 

$6 would still be nice