01057cam a2200289 4500 46165898 TxAuBib 20010315120000.0 ||||||s1976||||||||||||||||||||||||und|u 76-688 9780870441929 0870441922 TxAuBib National Geographic Society (U.S). Clues to America's past / prepared by the Special Publications Division, National Geographic Society ; [by Jeffrey P. Brain... et al.]. Washington : The Society, 1976. 199 p : ill ; 27 cm. Includes index. Bibliography: p. 199. Shows how archaeologists learn about various cultures in America from artifacts, archives, fossils, and any other clues they can find. ADULT Brodart. 20010327. Archaeology Methodology. Indians of North America Antiquities. United States Antiquities. Brain, Jeffrey P.