This 200-year-old sediment core archives conditions at Lake Charles before, during and after gold mining between 1860 and 1940. Last year, Halifax Regional Municipality cautioned that Barry's Run, which connects Lake Charles to the Montague gold mine, was not safe for people to use. A student researcher from Mount Allison University samples sediment core from Lake Charles in May 2019. Last year, the Nova Scotia government announced it would spend $48 million to clean up two of the most contaminated former mines — Montague Gold Mines and Goldenville on the Eastern Shore. "Remediation projects often must incorporate an array of approaches depending on the site," Campbell said.

Source: CBC News August 06, 2020 09:00 UTC