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Joint Report on the Bituminous, Or Oil-shales of New Brunswick and Nova Scotia Also, on the Oil-shale Industry of Scotland

Canada. Mines BranchGeological Survey of CanadaRobert Wheelock Ells

出版	Government Printing Bureau, 1909
URL	http://books.google.com.hk/books?id=tjQR0AEACAAJ&hl=&source=gbs_api