IGNACIO, Colo. (AP) - The remains of five human bodies have been unearthed at Ignacio Intermediate School, where a construction crew is laying a sewer line.

La Plata County Coroner Jann Smith says the bones are believed to be 50 to 75 years old, possibly from a family burial plot.

According to the Durango Herald, no foul play is suspected. The remains were found last week in a ball field at the school.

They are expected to remain in the ground for a couple of weeks or longer until archaeologists can excavate them and move them to a new burial site.