Hunting Antique Bottles in the Marine Environment is the complete field guide for finding and identifying antique bottles. Capt. Berg has been searching for antique bottles in local lakes, rivers and on shipwrecks for over thirty years. Learn not only how to find submerged antique bottles but also how to clean them and how to determine how old they are. This text is packed with historical information that shows how bottles were produced and how each manufacturing process left distinct marks which can be used to accurately estimate any bottles age. Capt. Dan has heavily illustrated this text with over 200 color images depicting the types of bottles that can be recovered by searching local waters. He also uses over 10 unique 3D diagrams designed to give a better understanding as to the time line of glass blowing and bottle manufacturing. These 3D mold images are combined with drawings of the bottles they produced and highlight the distinct mold seam marks each created. This informative text tells all the tricks of the trade that until now have only been learned through years of experience. Bottle collectors, scuba divers and anyone interested in exploring the marine environment for these historic treasurers will reference this text often as they search for and collect antique bottles.