This unknown vessel is listed on the charts as "Margaret" and is speculated to be a tugboat. She may be the remains of the Margaret Olsen, a small steam-driven harbor boat, which collided with the tugboat Joseph A. Ginder on May 4, 1929. Visibility is usually pretty poor, 15 ft or less, and current can be a problem, due to the proximity to Deb's Inlet.
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Once you get there, suit up at your car and walk down the small stretch of beach till you get near the jetty. Enter the water at your leisure. Once in the water, you can swim north along the jetty to the tip. You may see fish, lobster, crabs and the sort. There are large openings in the rocks that form the jetty. Large enough in fact that you can almost swim into one. I don't advise doing this because getting stuck might be a frightening experience.
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Probably so-named because it is the next-closest thing to the Pinta at the same depth. So if that wreck turns out to be occupied by another boat, you get a "New Deal". Seldom visited, so should be good for fish and lobsters. A large and relatively intact barge filled with stones. Known by many other names, depending on who you ask.
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Well, computers, you can bet that everything has changed here.
There are a number of computer software packages available that allow you to simulate different dive profiles and create custom decompression tables without actually going in the water. Most of them have graphical interfaces, and allow you to vary not only the dive profile, but gas mixes, decompression mixes, decompression stops, algorithm, conservatism, and many other factors. Software like this is a staple in the technical diving field but is also useful to the recreational diver. Here are a couple, with links:
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