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Regional geochemical survey of earth materials in southern Ontario: a geochemical baseline for environmental and human health
protection; Sharpe, D R
; Klassen, R A; Russell, H A
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; Brennand, T A; Dexter, K;
Logan, C E
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Survey of Canada, Open File 8452, 2019, 38 pages,
https://doi.org/10.4095/308373 
Open Access