"Déchets industriels Territoires du Nord-Ouest." . . "Northern Environment Directorate, Department of Indian and Northern Affairs, Canada" . . . . . . . . . . . . . "Geophysical assessment of waster drilling fluid containment sites in the Mackenzie River Valley Region, NWT" . "This study reports the results of a field survey utilizing geophysical soil survey conductivity measurements coupled with near-surface soil chemistry analyses to determine if drilling wastes are migrating away from the boundaries of eight sumps abandoned over a range of permafrost conditions in the Mackenzie Valley, Northwest Territories." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Geophysical assessment of waste drilling fluid containment sites in the Mackenzie River Valley region, NWT"@en . . . . "Geophysical assessment of waste drilling fluid containment sites in the Mackenzie River Valley Region, NWT : Northern Affairs Program" . "Geophysical assessment of waste drilling fluid containment sites in the Mackenzie River Valley Region, NWT" . "Geophysical assessment of waste drilling fluid containment sites in the Mackenzie River Valley Region, NWT"@en . . "Pollution." . . "Polluants." . . "Cold regions." . . "Hardy BBT" . . "Boues de forage." . .