The submarine was with radiestecia, sand, coral and cement not detect me from the wreck, the depth to which I have not tested this, the treasures on earth if I checked the depth, an archaeologist in Florida if you have seen the mound where this and a friend of mine from Orlando to see three, but not equipped boat in the sea I can say everything in a shipwreck, gold, silver, gems, pearls, ballast and cannons, all, if someone is working an area. . would I can check if there's something there, but you need magnetometer and equipped boat .... not post images in the forum, but email me at my email address which is in the first post, and I send a picture .... . don Tommy