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

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:	T.K. Cleveland

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