Missdirected
Contributor
Some info on the Sheridan and the Blackthorn for those interested:
http://www.divespots.com/scuba/view.divespot?spotID=295
http://www.divespots.com/scuba/spotID-296/view.divespot
http://www.divespots.com/scuba/view.divespot?spotID=295
http://www.divespots.com/scuba/spotID-296/view.divespot