April 14, 2007 | 12:00 a.m. CDT
A collection of pottery samples from the Woodland Period are displayed at MU’s Swallow Hall. Civilizations in central valleys and Missouri and Mississippi rivers started making pottery and building burial mounds around 600 B.C. Shown here are Naples Dentate stamped pot shards and Renner crosshatched pot shards.

RELATED STORIES: Ancient history