Huis te Warmelo - The story of international co-operation to identify the 40 gun frigate in the Gulf of Finland

The Kalbådagrund gunship wreck was found in 2002 by Finnish Maritime Administration during hydrographical surveys. She lays at the bottom of the Gulf of Finland (Suomenlahti), off the town of Porvoo. The Finnish Maritime Administration provided a report with multibeam sonar image of the target to the Finnish Heritage Agency in 2004.
Tekijä: 
Immi Wallin and Maili Roio
Julkaisutiedot: 
Nautica Fennica, Vol 2018 Nro 1 (2018): Suomi saarena pp. 100-111
Sivumäärä: 
12
ISBN: 
ISSN 1235-9122 (print) ISSN 2736-9625 (online)