[3][8][9] There were suggestions that the mine could be used as a landfill site for rubbish imported from New York and a power plant that would produce up to 40 megawatts of electricity; the concept was opposed by local residents and by Cornwall County Council, with Doris Ansari, the chair of the council's planning committee, saying that the idea "[did] not seem right for Cornwall".

[10] The site was bought from Carnon Enterprises by Gwennap District Council for a price of £1 in 2002.

[11] An investigation by the Environment Agency that concluded in 2007 found that soil near the mine had high levels of arsenic, copper and zinc contamination and by 2012, it was deemed too hazardous for human activity.

[13][14][15] In 2014, a 72-year-old man from Falmouth died at the site after what was initially thought to be a cycling accident.

[17] A 34-year-old was found guilty and sentenced to life and to serve at least 28 years.