Leffingwell, Ernest de Koven, 1875-1971
- Existence: 1875 - 1971
Found in 1 Collection or Record:
Overview Ernest deKoven Leffingwell (1875-1971), arctic explorer and geologist. Consist of correspondence, personal journals, manuscripts, photographs, field notes, a diary of Baldwin-Ziegler Polar Expedition and papers relating to the exploration of Flaxman Island.