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Ground-water Conditions in the Dutch Flats Area, Scotts Bluff and Sioux Counties, Nebraska

Horace Maxson BabcockFrank Newell VisherWalton Henry Durum

出版	United States Department of the Interior, Geological Survey, 1951
URL	http://books.google.com.hk/books?id=B69EzwEACAAJ&hl=&source=gbs_api