Antiquities, Prehistoric (5) Prehistoric peoples (5) crique (3) vallée (2) États-Unis (2) States (2) States (2) Rapport (2) vallée (2) fouille (2) Alaska (2) monde (1) bois (1) toundra (1) test (1) pierre (1) fleuve (1) analyse (1) combustible (1) incendie (1) cuivre (1) point (1) enfant (1) profession (1) Washington (1) The Valley (1) Context (1) Parts (1) Implements (1) Parts (1)