GODFREY – During a recent Toddle Towne field trip, Morgan Alexander, 5, of Alton, left, and Gwynevere Billingsly, 6, of Granite City, piece together a macroinvertebrate puzzle after a scavenger hunt for the puzzle pieces at the Jerry F. Costello Confluence Field Station, which is home to the National Great River Research Education Center. For more information, visit www.ngrrec.org.

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