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Earth Science Inventory and Evaluation of the Eramosa Karst Area of Natural and Scientific Interest [electronic Resource]
Ontario. Ministry of Natural ResourcesFord, DerekBuck, Marcus JStephen Richard Hurst WorthingtonOntario. Ministry of Natural Resources. Guelph District
出版Queen's Printer for Ontario, 2003
ISBN07794472559780779447251
URLhttp://books.google.com.hk/books?id=EuHLjwEACAAJ&hl=&source=gbs_api