Grand Valley professors examine stones at archaeological site

Grand Valley student cleans human skull in anthropology class

Grand Valley students unearth bones at archaeological site

Grand Valley students sifting at Grand River woodland archaeological site, August 1970.

Grand Valley students digging at archaeological site

Black and white lantern slide of a road sign for the "Home of the Minnesota Man," now known as the Pelican Rapids-Minnesota Woman, skeletal remains estimated at 8,000 years old.

Black and white lantern slide copy of a sketch drawing of an ancient mine in Ontonagon County from an unknown source.

Black and white lantern slide copy of sketch drawings of outlines of ancient garden beds from an unknown source.

Black and white lantern slide of the Paestum Temple of Neptune ruins in Italy.

Black and white lantern slide of the Paestum Temple of Neptune ruins in Italy.

Black and white lantern slide of columns at the Paestum Basilica ruins in Italy.

Black and white lantern slide of columns at the Paestum Basilica ruins in Italy.