Unit NB1 — the Athabasca River watershed between the north boundary of Township 78 and Secondary Road 813 near Athabasca, including the Calling River watershed, the La Biche River watershed, the Beaver River watershed, and the tributary watersheds entering on the left (north) bank of the North Saskatchewan River between Highway 38 near Redwater and the Alberta-Saskatchewan border;
unité BN1 — le bassin versant de la rivière Athabasca entre la limite nord du canton 78 et la route secondaire 813, à proximité d’Athabasca, y compris les bassins versants des rivières Calling, La Biche et Beaver, et les bassins versants des tributaires se déversant sur la rive gauche (nord) de la rivière Saskatchewan-Nord, entre la route 38, à proximité de Redwater, et la frontière Alberta-Saskatchewan;