Page 41 Red Lake Gold Mines is an un derground mining operation in the prolifc Red Lake gold camp in Northwestern Ontario Canada The operation consists of three underground mines Campbell Red Lake and Cochenour with ore processing plants at the Campbell and Red Lake Complexes The Campbell and Red Lake mines began operations in 1949 and pro duced 236 million ounces to Dec 2018 The Cocheno urWillans mine was in operation from 19291971 and produced 12 million ounces of gold Primary mining method is long hole stoping following best prac tices for design and sequencing W aste rock paste fll or a com bination of both is used to fll the open excavations once mining is completed Ore is hoisted up ei ther the Balmer or Reid shafts then processed using a conven tional crushing and grinding cir cuit combined with a gravity con centrator for freemilling gold and carbon in pulp for refractory gold Gold recoveri es from the mills av erage 94 The historic mining district of Red Lake spans 42000 hectares and has produced over 28 million ounces of gold since 1930 First recorded prospecting in the Red Lake district was carried out by the Northwestern Ontario Ex ploration Company in 1887 but gold was not discovered in the district until 1922 Following the discovery of gold Red Lake experienced a sudden surge of economic industrial and population growth By 1936 Red Lake s Howey Bay was the busi est airport in the world with more fights landing and taking of per hour than any other In 1944 exploratory drilling struck gold in what is now known as Balm ertown and in 1945 the Campbell and Dickenson now Red Lake deposits had been discovered The Campbell and Dickenson mines operated inde pendently from 1949 until 2006 when Goldcorp acquired Campbell Mine when Placer Dome Inc merged with Barrick T oday Red Lake Gold Mines is owned by Newmont Goldcorp following the April 2019 merger of Newmont Mining Corporation and Goldcorp Inc forming the world s leading gold compan y Newmon t Gold corp has operating mines in North and South America Australia and Africa They are committed to the health and safety of people and the responsi ble managem ent of resources Host Red Lake mine a major gold producer Since its creation in 1929 Ontario Mine Rescue has established a reputation for high standards in training equipment and emergency response as well as in the development of safe efective mine rescue practices W e have served as a role model for the establishment of training and safety programs for mine rescue organizations in other provinces and countries workplacesafetynorthca Page 39