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Progress Report Chemical Quality of the Surface Waters in the Loup River Basin, Nebraska

Frank Edward ByrneFred Forrest LawrenceGuy Clarke StevensHarold Coble TroxellJack Bennett GrahamWalter Basil LangbeinGeological Survey (U.S.). Champaign DistrictClayton Haines HardisonGeological Survey (U.S.). Water Resources Division. Austin DistrictWendell B. JohnsonGeological Survey (U.S.). Water Resources Division. Tacoma DistrictDenzil W. BergmanGerald Arthur FitzGeraldGuy Earl HarbeckJohn G. Connor

出版	U.S. Department of the Interior, Geological Survey, 1949
URL	http://books.google.com.hk/books?id=sAFW332CJKcC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN