These maps were created to inform users of recreational dive sites what terrain, conditions, and creatures they can expect to encounter on their dive. The first two maps were created as part of a pilot project for Dive Blueprint (http://www.diveblueprint.com/index.htm ) which set out to map dive sites in Barbados, while the final map was commissioned by Total Diving (http://totaldiving.com/scuba/dive-trips/montreal/kahnawake-quarry.html) , a dive shop in Montreal, QC, to promote and mount as permanent signage at their main training dive site, the Kahnawake Quarry in Kahnawake, QC. Read Less