DREDGING AND HYDROGRAPHIC RECORDS. 

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



39 



Toinperatiirtv 



55 



.58 

 58 

 60 

 GO 

 57 

 58.5 



67 



J? Op 



56. 13 54. 61 



-^ J I 



58.33 

 58.63 

 57.13 

 58.03 

 57.03 

 57.73 

 54.00 



62.00 

 52.63 



54.16 

 54.71 

 55.41 

 55.61 

 55.71 

 55.81 



03,53.96 



83 53.81 



73 53.81 

 63 53.71 



23 54.66 



73 53.81 



Os'sS. 86 

 03 54. 20 



53 54.10 



I 

 53^54.86 



53,55. 21 



Salinity. 



Surf. 



22.99 



20.82 

 19.70 

 18.34 

 21.60 

 23.08 

 20.66 



01.00 

 61.00 



26.91 



28.79 



29.50 



30.28 

 29.80 



29.65 



28.79 



27.33 

 26.67 



25.92 



25.46 



25.00 



Botm. 



28.88 

 28.88 

 27.33 

 27.21 

 27.33 

 26.55 



29.50 



29.34 



30.11 



30.37 

 30.59 



30.63 



30.28 



28.47 

 29.65 



28.88 



28.72 



28.56 



.\pparatus. 



Tnr. cse.; Ek. 

 bot.",4'Later. 

 #r2;#20;Pr. 

 m. 

 ...do 



...do 



...do 



...do 



...do 



...do 



3'Tnr.; 19" dr 



3' Tnr.; 19" dr. 



Ek. bot.; 4' 

 inter.: Tnr 

 cse.; #12,^20 

 Pr. m. 



do. 



....do... 



....do... 

 do... 



do... 



do... 



....do... 

 do... 



do... 



do... 



do... 



Ek.smp. 



do... 



.do., 

 .do.. 



19" dr. 

 do. 



Trial. 



Depth. 



surf, 

 and 

 botm. 



..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 botm... 



botm... 



surf, 

 and 

 botm 



..do... 



..do... 



..do... 

 ..do... 



..do... 



..do... 



..do... 

 ..do... 



..do... 



.do... 



..do... 



botm.. 



...do. 



-do. 

 .do. 



Dura- 

 tion. 



botm. 

 ...do.. 



17 



Drifl, 



Direction. 



A g a i n St 

 tide. 



...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 82° 



316° 



.•\. K a i n s t 

 tide. 



do 



do 



do 



do 



do... 

 do... 



do... 

 .-do... 



do.... 

 do.... 

 do.... 



230'... 

 Circle. 



^^i. 



4.2 



1.85 

 .3 



Kemark.s. 



Flood, 0.36 knot per 

 hr. Cable out 20 



fms. 



Flood, 0.45 knot per 



hr. Cable out 13 



fms. 

 Flood, 0.13 knot per 



hr. Cable out 4i 



fms. 

 Flood, 1.33 knots per 



hr. Cable out 10 



fms. 

 Flood, 1.51 knot.« 



per hr. Cable out 



5 fms. 

 Flood, 1.53 knots per 



hr. Cable out 5 



fms. 

 Flood, 1.19 knots per 



hr. Cable out 



7-4-GJ fms. 

 Flood. Operations 



conducted from 



launch. 



Ebb. Operations 

 conducted from 

 launch. 



Flood, 1.33 knots per 

 hr. 



Flood, 2.63 knots per 



hr. 

 Flood, 2.27 knots per 



hr. 

 Flood, 2 knots per hr. 

 Flood, 1.33 knots per 



hr. 

 Flood, 0.40 knot per 



hr. 

 ICbb, 1.59 knots per 



hr. 

 Ebb, 2 knots per hr. 

 Ebb, 2.23 knots per 



hr. 

 Ebb, 1.55 knots per 



hr. 

 Ebb, 1.01 knots per 



hr. 

 Flood, 0.06 knot per 



hr. 

 Ebb. Operations 



conducted from 



launch. 

 Do. 



Do. 

 Do. 



Ebb. Operations 

 conducted from 

 launch. 



Ebb. Operations 

 conducted from 

 launch. Made a 

 circle in oyster bed 

 and finished at 

 starting pt. 



