72°W 



46°N 



70° 



"T" 



UNITED STATES 



440 



PEMIGWASSETT RIVER 



42° 



38* 



CAPE SABLE ': / f 



F MAINE O *'-.., --^ ^,.y-\:- ^^ t-.^ /^^ 









I 

 t 



A'^ NANTUCKET 



G^' 



O^' 



C,^^ 



^^ 



^ /y/ 



^ ^s 



50 fms (91.4"mT"-^. ..-^iV i-^"' ' ^ ^-^0^ 



40° U' ,100 fms (182.9 m )>----'..., •-••-■ %,.^% •^ -^^ 



^ ■ ■ ■ x:>:x 



■J 



1000 fms ( 1829 m) ••' 



40° 



72°W 



70' 



68' 



66° 



38« 



64°W 



Figure 1.— Orientation chart of the Gulf of Maine (Colton, J. B., 1964). 



10 



