Posted by Peter H on October 23, 2007 at 15:37:50 from 86.130.128.3 user Peter_H.
In Reply to: Re: Prospecting - Here's to Copper! posted by John Nichols on October 23, 2007 at 13:51:15:
John - you are a step ahead of me. Are you saying that traces of a copper compound in the effluent will prevent tree root invasion? How?