Category:Ernest de Koven Leffingwell
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American geologist and explorer (1875-1971) | |||||
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Date of birth | 13 January 1875 Knoxville | ||||
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Date of death | 27 January 1971 Carmel-by-the-Sea | ||||
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Media in category "Ernest de Koven Leffingwell"
The following 3 files are in this category, out of 3 total.
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Ejnar Mikkelsen 1906 lek00244.jpg 1,400 × 805; 508 KB
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Leffingwell cropped.JPG 575 × 771; 31 KB