fieldmuseumphotoarchives:Fossil Friday, ground sloth. This acetate negative, scanned today, show sig
fieldmuseumphotoarchives:Fossil Friday, ground sloth. This acetate negative, scanned today, show signs of deterioration. We are in the process of digitizing this type of film to make a digital copy before it’s too late.© The Field Museum, CSGEO77052.Sternal bones, detail of Ground Sloth (Pronothrotherium). Preinstallation of Sloth and Glyptodont case, Hall 38 8x10 negative1931 -- source link