He gives his mother a bag full of pottery shards.
They found 177, mostly pottery shards - some from the 17th century.
In her initial survey last year, pottery shards were found scattered over the ground.
Pottery shards and human remains found on the mound are aged 300 to 900 years old.
Pottery shards dating to this time are the oldest pieces in the collection.
Reaching down, he picked up the pottery shard and examined it.
Bones, ash and other pottery shards were also dug up.
This would place these pottery shards among the oldest ever recovered anywhere.
Pottery shards and other artifacts are on display in the interpretive center.
Additional pottery shards were indicative of activity at the site from the early Islamic period.