The Rudna mine is a large underground mine in the west of Poland in Polkowice, Polkowice County, 350 kilometres (217 miles) south-west of the capital, Warsaw.

Rudna represents one of the largest copper and silver reserve in Poland having estimated reserves of 513 million tonnes of ore grading 1.78% copper and 42 g/tonnes silver.

On 20 March 2013, 19 miners were pulled alive and well from the mine after being trapped 1,000 m (3,281 ft) underground for seven hours, following a small earthquake the previous night.

[2][3] On 29 November 2016, a magnitude 4.4 earthquake at shallow depth left eight miners dead.

You can help Wikipedia by expanding it.This article about a specific mine is a stub.