Inthe Plains periphery of the Central Area, Missouri, extensive preceramic remains are found. Well recognized com plexes with Paleo-Indian connections are NeboHill, Sedalia, Graham Cave Levels 6-4, and Arnold Research Cave. Radio carbon dates range from 7738 B. C. to 43Z2 B.C. Other preceramic complexe s described from excavations include the Hatten Mound component and the Lincoln County burial site, in the Northwest Prairie; Blackwell Component A in the Ozark Highland; and the Jakie L2 and L3 components dated at 5112 B.C. to 4422 B. C. in the Southwest Drainage. Sur face collections from all areas indicate preceramic occupations.