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Google圖書搜尋
Rehabilitation of Lands Stripped for Coal in Ohio
Gustaf Adolph Limstrom
Robert William Merz
出版
Ohio Reclamation Association under a cooperative arrangement with the Forest Service, U.S. Department of Agriculture
, 1949
URL
http://books.google.com.hk/books?id=3RZeHQAACAAJ&hl=&source=gbs_api