Debbie Surabian, with USDA Natural Resources Conservation Service, demonstrates how ground penetrating radar (GPR) works at the archaeological dig at Blackledge Falls, on August 19, 2019.

Photo by Steve Smith / Courant Community

An axe blade was the largest artifact found by the team from UConn on the second day of the dig.

(Courtesy photo / HANDOUT)

Several small artifacts, mostly pieces of larger items, were also found.

(Courtesy photo / HANDOUT)