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Developing the bedrock layer for Canada 3-D: the Precambrian-Phanerozoic boundary; de Kemp, E A
; Schetselaar, E M
; Hillier, M
; Montsion, R. Geological
Survey of Canada, Scientific Presentation 65, 2017, 1 sheet,
https://doi.org/10.4095/301671 
Open Access