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Geology of Porcher Island and northern Grenville Channel, northwestern British Columbia (parts of NTS 103G/15, 16, H/13, J/1,
; Nelson, J; Mahoney, B; Gehrels, G; van Staal, C. Geological Survey of Canada, Open File 6624, 2010, 1 sheet, https://doi.org/10.4095/288724