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Reconnoissance Soil Survey of South Part of North Central Wisconsin

Andrew Robeson WhitsonWarren Jacob GeibTheodore J. DunnewaldClinton B. PostArthur Elijah TaylorJ. B. R. DickeyCarl Thompson

出版	The State, 1918
URL	http://books.google.com.hk/books?id=Ci0QAAAAIAAJ&hl=&source=gbs_api