By 2011, pit mines surrounded the Athabasca River.
到2011年阿萨·巴斯卡河两岸已是矿坑遍布。
Tailings ponds contain a number of toxins that can leak into the groundwater or the Athabasca River.
尾矿池里含有的许多毒素可能会泄漏到地下水或是阿萨巴斯卡河里。
Oil sand mining began in Alberta in 1967.That first mine is closest to the Athabasca River in the top image (1984).
阿伯达省的油砂矿开始于1967年，最早的矿井是上图（1984年）中离阿萨巴斯卡河最近的那个。
Oil sand mining began in Alberta in 1967.That first mine is closest to the Athabasca River in the top image (1984).
阿伯达省的油砂矿开始于1967年，最早的矿井是上图（1984年）中离阿萨巴斯卡河最近的那个。
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