Wow! This is relevant to me, as I'm embarking (pun pun pun) on a project to annotate Tim Powers' book Declare, in which votive anchors from the bronze age (and later) play a significant role. This articles give a ton of useful historical context, not to mention a list of references. Unexpected find, thanks for posting it.
Bronze Age and late Neolithic archeology is the best archeology.
Hidden substructures of our cultures and all that.