U. S. BUREAU OF FISHERIES. 



Dredging and Hydrographic Records Secured 



station 

 num- 

 ber. 



D. 5673 



H. 4938 



H.4939 



H.4940 



H.4941 



H.4942 



H. 4943 



H. 4944 

 H.4945 



H.4946 



Position. 



Near boundary between Mexico 

 and United States. 



3,782-ft. Cone (32° 18' 30" N., 

 116° 46' W.), N. 42° E.; 

 4,900-ft. Cone (31° 36' 30" 

 N., 116° 14' 30" W.), N. 82° 

 E. (31° 26' N., 117° 42' W.). 



Guadaloupe Id., east coast, 

 northern end. 



Black Rk., near North Pt., 

 N. 89° W., 1.5 miles (29° 

 10' 20" N., 118° 15' 45" W.). 



Black Rk., near North Pt., 



N. 12° E.; Block House, S. 



78° W. (29° 08' 50" N., 118° 



17' SO" W.). 

 Elephant Rk., S. 23° W.; 



Cone on N. side of Id., S. 



71° E. (29° 09' 30" N., 118° 



23' W.). 

 Elephant Rk., S. 18° W.; 



Cone on N. side of Id., N. 



75° E. (29° 09' N., 118° 23' 



20" W.). 

 Elephant Rk., S. 1° W.; Cone 



onN. sideofId.,N. 65°E. 



(29° 08' 40" N., 118° 24' 10" 



W.). 

 Elephant Rk., S. 40° E.; 



Cone on N. side of Id., N. 



60° E. (29° 08' N., 118° 24' 



30" W.). 

 Elephant Rk., N. 46° E.; 



Steamer Pt. Rk., S. 11° E. 



(20°06'50"N.,118°25' W.). 

 Elephant Rk., N. 17° E.; Rk. 



at Steamer Pt., S. 7° E. 



(29° 06' 20" N., 118° 24' 30" 



W.). 



Midway between point at 

 Elephant Rk. and Steamer 

 Pt. Elephant Rk., N. 6° 

 E.; Rk. at Steamer Pt., S. 

 21° E. (29° 04' 50" N., 118° 

 24' W.). 



East side of Id 



North of first party . 



Midway between point at 

 Elephant Rk. and Steamer 

 Pt. 



Chart. 



H.O. 



1006 



1681 



1681 



1681 



1681 



1681 



1681 



1681 

 1681 



1681 



1681 



Date. 



1911. 

 Mar. 1 



Mar. 2 



..do 



..do 



-.do 



..do 



..do 



..do 



..do 



..do 



.do. 



..do 



Mar. 3 



Time of 

 day. 



6.11 a. m. 



to 

 10.30 a. m. 



6.55 a. m. 



7.55 a. m. 



9.10 a. m. 



9.25 a. m. 



9.50 a. m. 



10.05 a. m. 



10.25 a. m. 

 11.00 a. m. 



11.30 a. m. 

 2.00 p.m. 



morning . 



...do., 

 night. 



Depth J 



Fms. 

 1,090 



_0^ 

 300 



290 



110 



30 



27 



31 



58 

 42 



Character of 

 bottom. 



bl. andgv. fl., few 

 Glob. ■ 



hrd. 



crs. bk. S 



do 



do 



gy. S., Sh.... 

 crs. bk. S 



do 



