The most obvious feature of the defensive works is a large ditch, some 6.1 metres (20 feet) wide and about 1.2 metres (4 feet) deep that seems to have bordered at least the entire eastern side of the colony.
The articles that follow is an attempt to identify the owners of 19 bottle-seal fragments from English glass wine bottles and to provide some insight into the practice of bottle-sealing.
The principal residence of Avalon, where Calvert and his family lived during the winter of 1628-29 and in which the Kirkes established their residence in 1638, has long been the object of archaeologists working at Ferryland.