T^.ble 3 (cont'd; 



PORTIAND LIGHTSHIP U3°31.6'N. TOOq^.^'W. 



July 19^6 



Depth of water - 150 feet 



Mean 



59.1 52.8 U7.3 U3.U (U2.0) 



30.65 31.38 



20 



