100436106PersonalN6I|vtls001380066WKP|Q5394063ISNI|0000000077825079DNB|139131361CAOONL|ncf11370626LC|no 98128639142Leffingwell, Ernest de K. (Ernest de Koven), 1875-1971CAOONLCAOONL|ncf11370626LCLC|no 98128639N6IN6I|vtls001380066Ernest de Koven Leffingwell American geologist and explorerISNIISNI|0000000077825079Leffingwell, Ernest de Koven 1875-1971DNBDNB|139131361Ernest de Koven Leffingwell American geologist and explorer (1875-1971)WKPWKP|Q5394063Ernest de Koven LeffingwellAmerican geologist and explorerISNIISNI|0000000077825079ISNI|0000000077825079WKP|Q5394063LC|no 98128639N6I|vtls001380066DNB|139131361CAOONL|ncf11370626Ernest de Koven LeffingwellAmerican geologist and explorer (1875-1971)enWKPWKP|Q5394063WKP|Q5394063N6I|vtls001380066ISNI|0000000077825079ISNI|0000000077825079ISNI|0000000077825079DNB|139131361CAOONL|ncf11370626LC|no 98128639Leffingwell, Ernest de K.(Ernest de Koven),1875-1971N6IN6I|vtls001380066N6I|vtls001380066WKP|Q5394063LC|no 98128639ISNI|0000000077825079ISNI|0000000077825079ISNI|0000000077825079DNB|139131361CAOONL|ncf11370626Leffingwell, Ernest de K.(Ernest de Koven),1875-1971CAOONLCAOONL|ncf11370626CAOONL|ncf11370626N6I|vtls001380066WKP|Q5394063LC|no 98128639ISNI|0000000077825079ISNI|0000000077825079ISNI|0000000077825079DNB|139131361Leffingwell, Ernest de K.(Ernest de Koven),1875-1971LCLC|no 98128639LC|no 98128639WKP|Q5394063DNB|139131361N6I|vtls001380066ISNI|0000000077825079ISNI|0000000077825079ISNI|0000000077825079CAOONL|ncf11370626Leffingwell, Ernest de Koven1875-1971DNBDNB|139131361DNB|139131361N6I|vtls001380066WKP|Q5394063LC|no 98128639ISNI|0000000077825079ISNI|0000000077825079ISNI|0000000077825079CAOONL|ncf11370626bDe Koven Leffingwell, Ernestde koven leffingwell ernestISNIISNI|0000000077825079De Koven Leffingwell, Ernest1875-1971de koven leffingwell ernest 1875 1971DNBDNB|139131361Ernest Leffingwellernest leffingwellISNIISNI|0000000077825079Ernest Leffingwellamerikansk geolog och upptäcktsresandeernest leffingwell amerikansk geolog och upptacktsresandeWKPWKP|Q5394063Ernest de Koven LeffingwellAmerica kuɣa mini tankpaɣu baŋdi so ŋun nyɛ dooernest de koven leffingwell america kuɣa mini tankpaɣu baŋdi so ŋun nyɛ dooWKPWKP|Q5394063Ernest de Koven LeffingwellAmerikaans ontdekkingsreiziger (1875-1971)ernest de koven leffingwell amerikaans ontdekkingsreiziger 1875 1971WKPWKP|Q5394063Ernest de Koven Leffingwelleksploradó merikanoernest de koven leffingwell eksplorado merikanoWKPWKP|Q5394063Koven Leffingwell, Ernest dekoven leffingwell ernest deISNIISNI|0000000077825079Koven Leffingwell, Ernest de1875-1971koven leffingwell ernest 1875 1971DNBDNB|139131361Koven, Ernest dekoven ernest deISNIISNI|0000000077825079Koven, Ernest de1875-1971koven ernest 1875 1971DNBDNB|139131361Leffingwell, E. de K.(Ernest de Koven),1875-1971leffingwell e de k ernest de koven 1875 1971CAOONLCAOONL|ncf11370626LCLC|no 98128639N6IN6I|vtls001380066Leffingwell, E. de K.1875-1971leffingwell e de k 1875 1971ISNIISNI|0000000077825079Leffingwell, Ernestleffingwell ernestISNIISNI|0000000077825079Leffingwell, Ernest de K.leffingwell ernest de kISNIISNI|0000000077825079Leffingwell, Ernest de K.1875-1971leffingwell ernest de k 1875 1971DNBDNB|139131361Leffingwell, Ernest1875-1971leffingwell ernest 1875 1971DNBDNB|139131361Mikkelsen, Ejnar 1880-1971LCLC|no 98128639ISNIISNI|0000000077825079Howe, G. P. 1879-1917ISNIISNI|0000000077825079Howe, G. P. (George Plummer), 1879-1917.LCLC|no 98128639W. HeinemannLCLC|no 98128639ISNIISNI|0000000077825079Govt. print. off.LCLC|no 98128639ISNIISNI|00000000778250791875-01-131971-01-27lived190191192193194195196197198199200201amLCLC|no 98128639USLCLC|no 98128639GBLCLC|no 98128639engDNBUSWKPDNBhttps://en.wikipedia.org/wiki/Ernest_de_Koven_LeffingwellWKPWKP|Q5394063https://fr.wikipedia.org/wiki/Ernest_de_Koven_LeffingwellWKPWKP|Q5394063https://sv.wikipedia.org/wiki/Ernest_LeffingwellWKPWKP|Q5394063CAOONLCAOONL|ncf11370626LCLC|no 98128639N6IN6I|vtls001380066The Canning River region, northern Alaska, 1919:LCLC|no 98128639Conquering the Arctic ice2024-02-22T18:49:09.866476+00:00