Paul Presenza No description specified. 1-3 (3 Records) Documents National Register Eligibility Evaluations of Sites 18ST659 and 18ST754 and Data Recovery Excavations at Site 18ST659, VXX Presidential Helicopter Facility, Naval Air Station Patuxent River, St. Mary’s County, Maryland (2006) Datasets Phase II Artifact Inventory, Sites 18ST754 and 18ST659, Naval Air Station Patuxent River (2006) Phase III Artifact Inventory, Site 18ST659, Naval Air Station Patuxent River (2006)