GB asked:

"It would however be interesting to know if anyone else is working our area?....ie within a few km.

Aafab offers as a response:

I understand that the Mexican equivalent to Canada’s Teck Cominco (Now known as simply Teck – wow that saved a bunch of key strokes) is operating right next door to La Pinta, which is adjacent to Xora, which is the mountain side opposite La Yesca.

Here is their website link.

I hope your espanolly is better than mine, cool pictures though

http://www.penoles.com.mx/Portal/faces/oracle/webcenter/portalapp/pages/home.jspx;jsessionid=xhc1TqbN2KH8JTjHT9RGDdQX2Zb1N4CCXhRS2FnWSrRRWL2QQRnX!-1558788294?_afrLoop=10266676034000&_afrWindowMode=0&_afrWindowId=null#%40%3F_afrWindowId%3Dnull%26_afrLoop%3D10266676034000%26_afrWindowMode%3D0%26_adf.ctrl-state%3D11vn7hm5yr_4