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NorthWestern Energy · sources: 1 The Montana Board of Oil and Gas Conservation website a public source for oil and gas production by well and 2 src=https:reader039vdocumentinreader039viewer20220309065b4c05c47f8b9a35228c0053html5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 8button div class=ts-image a href=https:reader039vdocumentinreader039viewer20220309065b4c05c47f8b9a35228c0053html5page8jpg target=_blank amp-img class=ts-thumb alt=Page 8: Natural Gas Filing Volume I - NorthWestern Energy · sources: 1 The Montana Board of Oil and Gas Conservation website a public source for oil and gas production by well and 2 src=https:reader039vdocumentinreader039viewer20220309065b4c05c47f8b9a35228c0053html5thumbnails8jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 9button div class=ts-image a href=https:reader039vdocumentinreader039viewer20220309065b4c05c47f8b9a35228c0053html5page9jpg target=_blank amp-img class=ts-thumb alt=Page 9: Natural Gas Filing Volume I - 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