National Oceanic and Atmospheric Administration. 1980. Navigational map 

 11373 (Mississippi Sound and approaches). (National Oceanic and 

 Atmospheric Administration, National Ocean Survey, Washington, DC.) 



Contains locations of shipwrecks, navigation channels, major offshore 

 structures, etc. 



U.S. Geological Survey. 7.5-minute-quadrangle maps. (U.S. Geological 

 Survey, Reston, VA.) 



Detailed, colored 1:24,000 scale maps containing many man-made features 

 (many of the maps are out-of-date and do not show recent construction). 



Offshore Obstructions and Structures 



National Oceanic and Atmospheric Administration. 1979. Navigational map 

 11376 (Mobile Bay). (National Oceanic and Atmospheric Administration, 

 National Ocean Survey, Washington, DC.) 



Contains locations of shipwrecks, navigable channels, major offshore 

 structures, etc. 



National Oceanic and Atmospheric Administration. 1980. Navigational map 

 11373 (Mississippi Sound and approaches). (National Oceanic and 

 Atmospheric Administration, National Ocean Survey, Washington, DC.) 



Contains locations of shipwrecks, navigable channels, major offshore 

 structures, etc. 



Hellmich, R. G., Alabama State Oil and Gas Board, University, AL, September 

 1982; pers. comm. 



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