Appendix C Major Obstacles to Harbor Deepening 



Harbors 



Authorized 

 Depth' 



Major Reloca- 

 tions and 

 Dislocations^ 



Rock and/or 



Continental 



Shelf^ 



Spoil 

 Disposal' 



Ecology 



ATLANTIC COAST 



NEW ENGLAND 



Bridgeport Harbor 



New Haven Harbor 



New London Harbor 



Portland Harbor 



Portsmouth Harbor and 



Piscataqua River 



Searsport Harbor 



Boston Harbor 



Cape Cod Canal 



Dorchester Bay and Neponset River 



Mystic River 



Salem Harbor 



Weymouth-Fore and Town Rivers . 

 Providence River and Harbor .... 



Fall River Harbor 



New Bedford and Fairhaven Harbor 



NORTH ATLANTIC 



New York Harbor 



Newark Bay, Hackensack and 



Passaic Rivers 



New York and New Jersey Channels 



East River 



Delaware River, Philadelphia 



to the Sea 



Delaware River, Philadelphia 



to Trenton 



Wilmington Harbor 



Baltimore Harbor 



York River Entrance Channel . . . . 



Thimble Shoal Channel 



Norfolk Harbor 



Channel to Newport News 



(Beginning depth of problem— in feet) 



45 



35 

 35 

 40 



40 



40 

 35 

 42 

 37 

 45 

 35-45 

 45 



35 

 45 



50 



60 

 60 

 55 

 35-55 

 55 



30-35 

 38 

 35 



41-65 



41 



50 



41 



41 

 36 

 44 

 45 



45 

 45 



40-5 r 



40' 



35-40' 



50' 



III- 166 



