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Soil Survey of Waukesha County, Wisconsin

Andrew Robeson WhitsonFrederick Ludwig MusbackWarren Jacob GeibAlfred Henry MeyerGuy Woolard ConreyLee Roy Adolph SchoenmannTheodore J. DunnewaldArthur Henry KuhlmanPercy O. WoodGrove B. JonesGustavus B. MaynadierJames W. Nelson

出版	The State, 1913
URL	http://books.google.com.hk/books?id=jQq80AEACAAJ&hl=&source=gbs_api