Terry Johnson of the University of Alaska has written an nice article on marine heads for boats in PDF form. The link is lower down on this page. Terry Love

Terry Johnson

Terry Johnson heads the Sea Grant Marine Advisory Program in Homer, Alaska. He provides fishermen and processors with help on federal and state
permits and licenses, safety equipment and rules, and information on seafood markets, prices, and harvesting and processing technology. Recent publications explain how international salmon markets work, how to use commercial fishing permits and vessels in like-kind exchanges to save taxes, and how to select fishing vessel insurance.

• Marine Heads for boats, PDF format