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RT @bcbluecon: "Arsenic is a common element in the natural environment and is frequently a significant component in gold deposits of the we…
RT @bcbluecon: "Arsenic is a common element in the natural environment and is frequently a significant component in gold deposits of the we…
Nova Scotia government https://t.co/Aj7dxJeGMn
"Arsenic is a common element in the natural environment and is frequently a significant component in gold deposits of the western United States." https://t.co/ByBQHhgSlI
RT @RiddlywalkerB: @Grouse_Beater Full environmental impact assessment? Cyanide use? https://t.co/hWEQLzsMA9