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Google圖書搜尋
Environmental Geology of Western Linn County, Oregon
John D. Beaulieu
Paul W. Hughes
R. Kent Mathiot
出版
State of Oregon, Department of Geology and Mineral Industries
, 1974
URL
http://books.google.com.hk/books?id=nYc_AAAAIAAJ&hl=&source=gbs_api