Canada,department of mines,mines branch,chrysotile asbestos in Canada: By James Gordon Ross, 146 pages,illustrations, plates,maps, tables, 8vo.Ottawa,King's Printer, 1931.Copies may be purchased from the Director,Mines Branch,Department of Mines,Ottawa, Canada.Price,twenty cents期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Canada,department of mines,mines branch,chrysotile asbestos in Canada: By James Gordon Ross, 146 pages,illustrations, plates,maps, tables, 8vo.Ottawa,King's Printer, 1931.Copies may be purchased from the Director,Mines Branch,Department of Mines,Ottawa, Canada.Price,twenty cents

Authors:	TK Cleveland

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