Natural Resources Branch, Environmental Support Division, Department of Public Works, Naval Air Station, Patuxent River No description specified. 1-2 (2 Records) Documents “A Fair House of Brick and Timber”: Archaeological Excavations at Mattapany-Sewall (18ST390) Naval Air Station, Patuxent River St. Mary’s County, Maryland (1999) Phase I Archaeological Investigations Near Mattapany Naval Air Station, Patuxent River St. Mary’s County, Maryland (2000)