Optimising Open Pit to Underground Cut-over: Part One ...
20-03-2018· Optimising Open Pit to Underground Cut-over: Part One. 20 March, 2018. This article was first published in the Snowden newsletter in July 2011 and we believe many of the ideas presented are still relevant today. Many mines combine open pit with underground mining, and on many occasions the underground mine is an extension of the open-pit.