(From left) Luther College students Evan McElroy, Benson Newhouse and Rebecca Zheng used underground sensing technology to identify possible unmarked graves in pioneer cemeteries this summer. (Photo courtesy of Luther College)

Work completed ahead of the new school year by veteran and aspiring anthropologists at Luther College could help locate now-forgotten burial sites and survey archeological finds before putting shovel to dirt.

Luther College anthropology professor Colin Betts, joined by three student researchers, spent the summer visiting historical cemeteries, laying out grids and slowly moving through them with special equipment, to identify possible unmarked graves buried long ago.

The group surveyed three cemeteries in Winneshiek County, each with unique aspects that students h

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