DECORAH, Iowa, Aug. 26 -- Luther College posted the following news: * * * Anthropology students use remote sensing technology to locate unmarked graves in northeast Iowa * # A team of three Luther College anthropology students led by Colin Betts, professor of anthropology, worked to identify unmarked graves at three pioneer cemeteries in Winneshiek County this summer. Evan McElroy, Benson Newhouse and Rebecca Zheng used advanced remote sensing technology to identify unmarked burial site more PR