Contact: Diana Yates, Life Sciences Editor, U. I. News Bureau
University of Illinois at Urbana-Champaign
Caption: Researchers tested the mineralogical profiles of stone from sites across the upper Midwest to determine the origin of stone pipes found at Tremper Mound in Ohio, a Hopewell site.
Credit: MAP courtesy ISAS
Usage Restrictions: Image may be used only to accompany stories about the research described in this release. Credit: ISAS
Related news release: Study of pipestone artifacts overturns a century-old assumption