DREDGING AND HYDROGRAPHIC RECORDS. 

 Ikveshgations off Oregon-Washington Coasts, 1914 and 1916. 



83 



Temperature. 



51 



51 



51.5 



51.5 



52 



52 



52 



52 



52 



53 



54 



54 



54 

 54 

 56 

 57 

 57 



67 



58 



58 



58 



58 



56 



54 



55 



53.6 



53.5 



53 



52 



52 



54 



53 



54 



64 



54 



53.5 



F. 

 47.0 



47.0 



48.0 



49.0 



50.0 



50.0 



50.0 



50.0 



50.0 



50.0 



50.0 



50.0 



50.0 

 51.5 

 53.0 

 53.0 

 53.0 



52.0 

 51.0 

 51.0 

 50.5 

 50.0 

 50.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 

 52.0 



'F. 



Salinity. 



Surf. 



Botm, 



Apparatus. 



Tnr.-Blishsdr.; 



30-lb.lead. 

 do 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 -do. 

 .do. 

 .do. 

 .do. 



Trial. 



Depth. 



Dura- 

 tion. 



Min. 



Tnr.-Blistisdr.; 



30-lb. lead; 



1 skate. 

 do 



Tnr.-Blishsdr.; 



30-lb. lead. 

 do 



-do. 

 .do. 



Tnr.-Blishsdr. 



28-lb. lead. 

 do 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 -do. 

 .do. 

 .do. 

 .do. 



Tnr.-Blish sdr. 



25-lb. lead. 

 do 



.do. 

 .do. 



botm. 

 ..do.. 



Drift. 



Direction. 



Mi. 



Remarks. 



Lead dropped twice. 

 No sample. 



Salt herring used as 

 bait. 



Do. 



Sounding wire fouled 

 propeller; 61 fms. 

 cable cut away. 

 No sample. 



Lead lost on haul in. 



