Stone Anchors at Siccar Rock, survey, recovery and analysis dataset https://portal.medin.org.uk/portal/start.php?tpc=010_3373f74a-23a9-3053-9f15-d92d1d1dca98 Diver and sonar survey (in 2000 and 2001) of a total of eight, small stone anchors (of a fairly rare type) which were used locally by fishing vessels well into the 20th century. Three were recovered prior to ADU examination of the site in 2000; with the final four being recovered by 2003. All six were lated analysed by the British Geological Survey. Although the sonar did not revealed any other items at the site, it was adopted under the NAS Adopt-a-Wreck scheme. 20160324