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A field trip group looks at a rock outcrop

A creek and a restored oxbow from above

Multi-Purpose Oxbows Reduce Nitrates

June 4, 2020/in The Latest at IGS /by rtiwari

New IGS research shows the value of oxbows in reducing nitrate.

Close-up of hands holding a core sample

Are there valuable, un-mined minerals in Iowa?

February 18, 2019/in The Latest at IGS /by rtiwari