DREDGING AND HYDROGRAPHIC RECORDS. 

 Francisco Bay, Calif., 1912-13, and March, 1914 — Continued. 



27 



Teiupeniture. 



F. 

 53.5 



54.5 



60 



64 

 78 

 78 



63 



55 



54 



54 

 53 



F 

 52.83 



52.33 



50.00 



50.00 

 51.00 

 51.00 



51.00 



51.00 

 52.00 



52.00 

 .52.00 



F. 

 52.93 



52.73 



54 50.00 



50 



50.00 



52 50.00 

 51.5 51.50 

 62.&52.00 

 62-452.00 

 63 |52.00 

 64.652.00 



Salinity. 



Surf. 



28. 2S 



28.38 



liotm. 



28.33 



Apparatus. 



Tnr. cse.; Sigs. 



bot.; 4' inter.; 



m, J*20. 

 do 



5' Tnr.: 19" dr. 



5' Tnr.; 19" dr. 



5' Tnr 



do , 



5' Tnr.: 19" dr. 



5' Tnr.; 19" dr. 

 5' Tnr.; m.b... 



9' Ag.; m.b.... 



.do. 



5' Tnr.; m.b... 



9' .A.g.; m.b.. 



5' Tnr.; m.b. 

 9' Ag.; m.b.. 



do 



5' Tnr.; m. b. 

 9' Ag. ; m. b. . 

 do 



Trial. 



Depth. 



Surf and 

 botm. 



botm... 



botm . . 

 ..do.... 

 ..do.... 



botm. 



botm. 

 ..do.. 



...do.. 



.do... 



botm. . 



...do.... 



...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 



Dura- 

 tion. 



^rin. 



15} 



15 



13 



20 

 11 



28J 



Drift. 



Direction. 



Against 

 tide. 



..do 



172' 



199' 

 221" 

 224' 



124' 



44°. 



25S' 



265' 

 245' 



121' 



172' 



82°, 

 340 

 154 

 162 

 159 

 140 



Mi. 



1.0 



1.0 



Remarks. 



Ebb. 

 Do. 



Ebb. 



Ebb. 



Do. 

 Do. 



Ebb. Quantities of 

 worm tubes and 

 ophiurians. 



Flood. Boat dr. net 

 lost. 



Ebb. 



Do. 



Do. 



.3 Flood. Abundant 

 ophiurians. 



. i Flood. 



