搜索结果: 1-1 共查到“地质学 George E. Ericksen”相关记录1条 . 查询时间(0.046 秒)
GeorgeEdwardEricksenhadacareerthatspanned50yearswiththeU.S.GeologicalSurvey.Duringthatperiodherendereddistinguishedservicetoourcountry,andtoseveralSouthAmericancountries.Inadditiontohisout-standingsci...