Date it was used by RAN Clearance Divers for U/W demolitions

edit

This article in the Newcastle Herald says it occurred between 1950 and 1973 [1]. Anotherclown (talk) 14:16, 28 March 2015 (UTC)Reply

Found a recent (2017) article which also confirmed these dates. Added now. Anotherclown (talk) 11:21, 13 September 2017 (UTC)Reply