div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: There are currently four open-pit oil sands mines operating in northeast Alberta each with substantial tailings ponds and a fifth mine has just commenced operations this year The src=https:reader035fdocumentsusreader035viewer2022071500611e7da2f508f323cc722814html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: There are currently four open-pit oil sands mines operating in northeast Alberta each with substantial tailings ponds and a fifth mine has just commenced operations this year The src=https:reader035fdocumentsusreader035viewer2022071500611e7da2f508f323cc722814html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: There are currently four open-pit oil sands mines operating in northeast Alberta each with substantial tailings ponds and a fifth mine has just commenced operations this year The src=https:reader035fdocumentsusreader035viewer2022071500611e7da2f508f323cc722814html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: There are currently four open-pit oil sands mines operating in northeast Alberta each with substantial tailings ponds and a fifth mine has just commenced operations this year The src=https:reader035fdocumentsusreader035viewer2022071500611e7da2f508f323cc722814html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: There are currently four open-pit oil sands mines operating in northeast Alberta each with substantial tailings ponds and a fifth mine has just commenced operations this year...