'Geologic Time' as Calculated by C. D. Walcott 'Geologic Time' as Calculated by C. D. Walcottv. 8No. 2150–158Yochelson, Ellis L. 1989. "'Geologic Time' as Calculated by C. D. Walcott." Earth Sciences History, 8, (2) 150–158.More...ID: 94881Type: articleKeywords: NMNH; Annals-Import; NH-Paleobiology