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Note on eco-classification systems
; Kettles, I M; in, Presentations and recommendations from the workshop on the role of
geochemical data in environmental and human health risk assessment, Halifax, 2010
; Rencz, A N (ed.); Kettles, I M (ed.).
Geological Survey of Canada, Open File 6645, 2011 p. 18; 1 CD-ROM, https://doi.org/10.4095/287942