David Gilchrist, an NDA member, is a former presenter and Master of Ceremonies at Shipwrecks.

2023 marks his 53rd year diving, with his initial training with the Aqua Knights of Hamilton, in 1970. He is a former ACUC,CMAS,DAN and PADI MSDT Instructor. He has been an active member of the Ontario Marine Heritage Committee(OMHC), participating in numerous archaeological programs with this group.

An avid underwater photographer, his award winning photographs have been displayed at Underwater Canada, the Vancouver Aquarium, the Ontario Science Centre, libraries and galleries. They have also been published accompanying articles in several magazines and also in  children’s books.

After a first diving program at Resolute Bay in 1987, in 1989 he was the recipient of a Canada Council grant, through the Arctic Awareness Program, to complete an underwater photography project in Canada’s High Arctic. He is more prone nowadays to be found in warmer waters having enjoyed trips to the islands of the  Caribbean, the Mediterranean, Chuuk Lagoon and the Red Sea.

Exploring Sherkston Quarry

The Empire Limestone Quarry-An underwater industrial archaeological site at Sherkston, Ontario

A look at the development, history and demise of this late 19th early 20th century limestone quarry that has been a popular recreational dive site for several decades.

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