PHYSICAL OCEANOGRAPHY OF THE GULF OF MAINE 
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Fio. 195.— Dynamic gradient at the surface, for the northern part of the gulf. May 4 to 14, 1915, referred to the offing of 
Cape Ann as base station. Contour lines are for every dynamic centimeter 
SToTions 
Fig. 196.— Density on a profile crossing the gulf from Massachusetts Bay toward Cape Sable, May 4 to 14, 1915. Cor- 
rected for compression 
