Graham, G.L.2010-02-152010-02-151975http://hdl.handle.net/1969.3/19712n.p.Bottom obstructions which could damage fishing nets along the western and northwestern Gulf Coast are plotted on National Ocean Survey Charts and tabulated by Loran stations and water depth. Primarily for use by commercial fishermen, but also valuable to sport fishermen searching underwater structure.obstacle marksfishing netscommercial fishingsport fishingBook