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Geoenvironmental characterization of ferroniobium slag, Saint Lawrence Columbium Mine, Oka, Québec; Desbarats, A J
; Percival, J B
; Pelchat, P; Sekerka, J;
Bilot, I; Girard, I
; Gammon, P. Geological Survey
of Canada, Open File 8752, 2020, 69 pages,
https://doi.org/10.4095/327565 
Open Access