①“TentativeMemorandumforBureauofAgriculturalEconomicsFloodCon-trolSurveyRepresentatives,”March9,1939.(Mimeographed.)②PublicHealthReports,Vols.ⅩⅩⅩⅩⅪⅩ-LⅡ(1934-1938).③Thesedatawerefirstpublishedbytheauthorinthe“SymposiumonFloods,”AmericanGeophysicalUnionTran (共 1921 字) [阅读本文] >>