"This massive piece of oak once sat at the bottom of Point Peter's well. Buckets lowered into the well would rest on it instead of disturbing the silt and sand at the bottom of the well."
The picture of the archaeologist digging in the well was featured in this publication. The dig was chronicled here. Here is a review of the historical and archaeological information regarding Point Peter and the St. Marys area. A 2005 news article about the dig was featured at the MSNBC site.