Ground stone was tabulated by inferred function, not morphology. Grinding = grinding slabs and handstones (metates and manos) Pounding = hammerstones, mortars, pestles, anvils Chopping = celts, adzes
The Eastern Mimbres Archaeological Project (EMAP), co-directed by Drs. Margaret Nelson and Michelle Hegmon began in 1990, building upon earlier work by Nelson. EMAP focuses on the later (post-AD 1000)