The gaping mouth of Resolution Copper Mining’s No. 10 shaft is 28 feet across and opens into a sheer drop of nearly 7,000 feet, making it the deepest continuous mine shaft in the United States.

Recorded 1.03.2018 JOHANNESBURG (miningweekly.com) - The 40 000-employee Impala Platinum Mine in Rustenburg, which is 'harvesting' unprofitable shafts while studying additional investment ...

Castagne upgraded the mine facility by adding a 1,500-foot vertical three-compartment mine shaft, expanding underground mine development including ventilation and increasing daily production to ...

A mine shaft from the old Carrie Mine had opened up behind his house, causing a 30-foot sinkhole. Lucon, a mechanical engineering professor at Montana Tech, has a 6-year-old, a 4-year-old and an ...

Goss said this week that had to go down the mine shaft twice to recover the bodies of Lonnie Gamboa and Thomas Forrester. “Because of the position the bodies were frozen in, there was no way we ...

when the water in the pit and Butte's flooded mine shafts was expected to reach critical level. The pit, home to a former open pit copper mine, has been slowly filling with contaminated water ...

While over 1 000 miners have been found guilty on charges ranging from illegal mining to immigration violations, human rights organisations argue these are 'crimes of poverty' that could be ...