By the time Goldcorp Porcupine Gold Mines (PGM) took over the former site of the past-producing Hollinger mine (as part of a land package acquired by Goldcorp in 2007 from Kinross and Placer Dome), it had been fenced off and abandoned since the late 1980s. The 100-hectare area was pockmarked with surface micro pits and sink holes connected to 600 kilometres of abandoned shafts, drifts and cross-cuts, all the legacy of Hollinger mining operations that began in 1910 and eventually produced about 20 million ounces of gold.
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