GSSI's Peter Leach and Amber Onufer are participating in the @NatlParkService Fort Casmir survey this week: https://www.delawarepublic.org/post/archaeologists-search-new-castles-17th-century-fort-casimir-again … #gpr #georadarpic.twitter.com/DXuddo40Oi

GSSI's Peter Leach and Amber Onufer are participating in the @NatlParkService Fort Casmir survey this week: https://www.delawarepublic.org/post/archaeologists-search-new-castles-17th-century-fort-casimir-again … #gpr #georadar pic.twitter.com/DXuddo40Oi

source https://twitter.com/GSSI_GPR/status/1130919384355082240