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Jasper County Soils

Eric WintersHerman L. WascherLoyal M. ReinebachUniversity of Illinois (Urbana-Champaign campus). Agricultural Experiment StationRaymond Stratton SmithGuy Donald SmithLouie Henrie Smith

出版	University of Illinois, Agricultural Experiment Station, 1939
URL	http://books.google.com.hk/books?id=lzUMcrILukwC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN