DREDGING AND HYDROGRAPHIC RECORDS. 

 Francisco Bat, Calik., 1912-13, and Makch, 1914 — Continued. 



71 



Temperature. 



"F. 

 45.73 



46.53 



46.93 

 47.03 

 47.53 

 47.83 



"F. 

 45.88 



46.68 



46.93 

 51.08 

 47.43 

 47.23 



47.93 47.18 



47.73 



4&23 



47.78 



48.33 



63 48.00 



56.5 47.03 



56 

 55 

 55 

 55 



55 



52.5 

 60 



46.93 

 47.93 

 47.93 

 48.23 



48.13 



48.23 



47.38 



47.53 

 48.28 

 48.33 

 48.43 



48.88 



48.93 



48.73 48.98 



Salinity. 



Surf. 



28.37 



Botm. 



29.18 



28. 56 28. 84 



28.33 

 28.02 

 27.33 

 26.62 

 25.55 

 26.10 



26.39 



15.23 



14.91 

 18.02 

 25.85 

 19.66 



25.70 



26.62 

 29.04 



28.49 

 27.94 

 27.40 

 27.01 

 26.94 

 26.73 



28.33 



Apparatus. 



Alb.smp.; Ek. 

 bot.;Tnr.cse.; 

 4' inter.; #12, 

 #20. 



o. p. dr 



Alb.smp.;Ek. 

 bot.; 4' in- 

 ter.; #12, #20; 

 Tnr.cse.;Pr. 

 m. 



do 



do 



....do 



....do 



....do 



....do 



.do... 



o. p. dr. 



21.60 Alb.smp.;Ek. 

 bot.; 4' in- 

 ter.; #12, #20; 

 Tnr. cse.;Pr. 

 m. 

 ...do , 



23.29 

 27.10 

 27.13 



28.11 



28.55 



29.50 

 29.95 



....do , 



....do , 



....do 



....do 



do. 



do. 



Trial. 



Depth. 



surf, 

 and 

 botm. 



botm. 



surf, 

 and 

 botm. 



..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 



...do.. 



botm. 



surf, 

 and 

 botm. 



...do.... 

 ...do.... 

 ...do.... 

 ...do.... 



....do.... 



...do.... 

 ...do.... 



Dura- 

 tion. 



Min. 

 10 



Hi 

 13i 

 10 

 15 



10 

 lOi 



Drift. 



Direction. 



Against 

 tide. 



Against 

 tide. 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



Against 

 tide. 



...do. 

 ...do. 

 ...do. 

 ...do. 



...do. 



.do., 

 .do.. 



Mi. 



Remarks. 



Ebb. 



Ebb. 2 dips each 

 rather more than 

 half full. Second 

 of series of three in 

 Ferry track. 



Flood, 0.75 knot per 

 hr. 



Flood, 0.90 knot per 

 hr. 



Flood, 1.03 knots per 

 hr. 



Flood. 



Flood, 1.52 knots per 

 hr. 



Flood, 1.70 knots per 

 hr. 



Flood, 0.78 knot per 

 hr. 



Flood, 0.74 knot per 

 hr. 



Flood. 0. p. dr, 

 considerably more 

 than half full. 

 Third of series in 

 Ferry track. 



Flood, 0.65 knot per 

 hr. Towed 4 min. 



Flood, 0.21 knot per 

 hr. Towed 3 min. 



Flood, 0.18 knot per 

 hr. Towed 3 min. 



Flood, 0.61 knot per 

 hr. 



Flood, 0.79 knot per 

 hr. Towed 5 min. 



Flood, 1.52 knots per 

 hr. 



Flood. 



Flood, 1.05 knots per 

 hr. 



