Hydrogeophysics personnel on a Heap Leach Pad by Milan Calendine | Jul 16, 2018 | 0 comments Hydrogeophysics personnel on a heap leach pad installing electrical geophysical cables for a gold mine in Nevada. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.