Pipestone Quarries (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Pipestone Quarries

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

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Image may be used only to accompany stories about the research described in this release. Credit: ISAS

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