It is really not that hard, Fons. I can't believe more people haven't done it. If you're serious, you should ask Bob to meet you there. If he has time he'll show you anything you want to see. He's always been very forthright and congenial. You can do a "head count" on his great employees and the equipment there.
On the way back take a few minutes to see the ore at the port. You can see it from the embarcadero or pay one of the boat owners $10 to take you over for a close up look.
How about you fly to Chicago and we take a road trip! Then ill drop you off in phoenix, Arizona and head back to Milwaukee! Ive heard rental cars arent allowed over the border... Could be wrong though. Thats a HELLUVA roadie though FYI.
"If there is no pr posted by the end of may i will be visiting the mine by myself i'll fly from europe to los angles and drive down to mexico."
I'll be coming down off of Machu Picchu at that time. After rafting down the Apurimoc River, crossing the Andes and flying out of Lima, I'll meet you in Ensenada after a layover in Mexico City. Text me before you leave ...