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Viewing 73 articles filed under Science and Exploration.
Aimé Jacques Alexandre Bonpland (Silhouette)
Alexander von Humboldt (Silhouette)
American Philosophical Society
Jefferson's Excavation of an Indian Burial Mound
Journey through France and Italy (1787)
Lewis and Clark Plants at Monticello
Little short of madness...(Quotation)
Sir Benjamin Thompson, Count von Rumford