Some articles on cordmarked:

Prehistory Of West Virginia - Ceramic Industry
... Studies at Winfield Locks Site (46PU4) suggest that the Half-Moon Cordmarked variant is a new provisional Early Woodland (1500-400 BC) ceramic series (Niquette and all) ... (Willey 1966267)." Johnson Plain and Levissa Cordmarked are Early Middle Woodland ware from the Adena Phase of the Scioto Tradition in Ohio ... Mahoning Plain and Cordmarked Pottery type description includes three main types that date to the Middle-Late Woodland Mahoning cordmarked, Mahoning plain, and Mahoning incised ...