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Google圖書搜尋
Industrial Limestones and Dolomites in Virginia: Northern and Central Parts of Shenandoah Valley
Raymond Smith Edmundson
出版
Commonwealth of Virginia, Virginia Conservation Commission, Virginia Geological Survey
, 1945
URL
http://books.google.com.hk/books?id=RCwQAAAAIAAJ&hl=&source=gbs_api