Location 



Table 

 1 



Structure 

 Type & Mo.* 



B 



Armor 

 Type** 



S 



Length 

 ft 



Date of 

 Origin 



1892 



Improve- 

 ment t 



Rouses Point 



1,835 



N 



Gordons Landing 



2 



B 



S 



675 



1891 



R 



Plattsburgh Harbor 



3 



B 



X,S 



1,565 



1836 



R 



Burlington Harbor 



4 



B(2) 



X,S 



4,157 



1836 



R 



Port Chester 



5 



B 



S 



783 



1895 



R 



Larchmont Harbor 



6 



B 



S 



1,440 



1906 



R 



Glen Cove Harbor 



7 



B 



S 



1,465 



1906 



N 



Port Jefferson 



8 



J(2) 



S 



2,490 



1871 



R 



Mattituck Harbor 



9 



J(2) 



S 



1,705 



1906 



R 



Greenport Harbor 



10 



B 



- 



1,570 



1883 



N 



Sag Harbor 



11 



B 



s 



3,180 



1908 



R 



Lake Montauk Harbor 



12 



J(2) 



s 



1,962 



1926 



R 



Shinnecock Inlet 



13 



J(2) 



s 



2,309 



1953 



R 



Moriches Inlet 



14 



J(2) 



s 



2,302 



1953 



R 



Browns Creek 



15 



J(2) 



s 



1,148 



1892 



R 



Fire Island Inlet 



16 



J 



- 



4,950 



1941 



N 



Jones Inlet 



17 



J 



s 



5,200 



1959 



R 



East Rockaway 

 (Debs) Inlet 



18 



J 



s 



3,750 



1934 



R 



Jamaica Bay 



19 



J 



s 



8,400 



1933 



R 



Sandy Hook Bay 



20 



B 



s 



4,000 



1940 



N 



Cheesequake Creek 



21 



J(2) 



s 



1,920 



1883 



N 



Neshaminy State Park 



22 



J 



s 



230 



1968 



N 



Mantua Creek 



23 



J(2) 



s,x 



3,033 



1907 



R 



Raccoon Creek 



24 



J 



X 



950 



1922 



N 



Wilmington Harbor 



25 



J(2) 



st,x 



3,440 



1936 



R 



Delaware River and 

 Chesapeake Bay Canal 



26 



J(2) 



s 



4,190 



1903 



R 



Smyrna River 



27 



J(2) 



X 



2,803 



1939 



N 



Mispillion River 



28 



J(2) 



s,x 



11,442 



1859 



R 







(Continued) 









* Indicates type and number of structures (i.e. B-breakwater , J-jetty, B(2)- 



two breakwaters, J(2)-two jetties, et2.) 

 ** Indicates amor types (i.e. S-stone, X-timber crib, St-steel, C-concrete 



cap, D-dolosse, T- timber, CB-concrete block, 

 f R-repair, N-none. 



11 



