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Catalog of Devonian and Deeper Tests in Southern Illinois

David Lloyd StevensonIllinois State Geological SurveyRobert M. CluffZakaria LasemiJohn N. Keys

出版	Illinois State Geological Survey, 1978
URL	http://books.google.com.hk/books?id=tBr0uwy1xegC&hl=&source=gbs_api