Cortez Gold Mine is located in Nevada

Cortez Gold Mine is a large gold mining and processing facility in Lander and Eureka County, Nevada, United States, located approximately 75 miles (120 km) southwest of Elko. It is owned and operated by Barrick Gold and comprises the Pipeline and South Pipeline deposits and the Cortez Hills deposit. Pipeline and South Pipeline are open pit mines, while Cortez Hills is an underground and open pit mining operation.^[3] Under continuous operation, Cortez has been open longer than any gold mine in the state of Nevada.^[4] It is Barrick's and Nevada's largest gold producer.^[2]

• http://en.wikipedia.org/wiki/Cortez Gold Mine