16 



DREDGING AND HYDROGRAPHIC RECORDS OF 



Dredging Records of the Northwestern PACinc 



Position. 



Chart. 



Date. 



Time of 

 day. 



Depth. 



Character of 

 bottom. 



On Codfish Banlcs, sea of 

 OMotsk {off mouthy of 

 Aangan River, Kam- 

 chatka). 



Mouth of Aangan River, N. 

 71° E., 8.5 miles (51° 37' N., 

 156° 21' E.). 



Mouth of Aangan River, N. 

 75° E., 8 miles (51° 38' N., 

 156° 21' E.). 



From Codfish Banks, Sea of 

 Okhotsk, to Jififne Bay, 

 Simushir Id., Kuril Ids. a 



Chirinkotan Id., S. 77° E., 

 13 miles (49° 06' N., 153° 06' 

 E.). 



From Milne Bay, Simushir 

 Id., Kuril Ids., to Hako- 

 date, Hokkaido, Japan, via 

 Boussole Strait.b 



Cape Rollin, Simushir Id., 

 W. by N., 5 miles (46° 46' 

 40" N., 151° 41' E.). 



Cape Rollin, Simushir Id., 



N. 66° W., 8 miles (46° 44' 



N., 151° 44' E.). 

 Cape Rollin, Simushir Id., 



N. 59° W., 9 miles (46° 42' 



N., 151° 45' E.). 

 Cape Rollin, Simushir Id., 



N. 58° W., 9.7 miles (46° 42' 



N., 151° 47' E.). 

 44° 33' N., 149° 04' E , 



Erimo Saki, S. 71° W., 51.3 

 miles (42° 13' N., 144° 21' E.) 



From Hakodate, Mipan, to 

 Ebisu, Sado Id., Sea of Ja- 

 pan (via Tsugaru Strait) .c 



Cape Tsiuka, S. 58° W., 10.3 

 miles (41° 36' 12" N., 140° 

 36' fi.). 



Cape Tsiuka. S. 61° W., 10.6 



miles (41° 35' 50" N., 140° 



36' 45" E.). 

 C. Sixakami Lt.. N. 22° E.,6.8 



miles (41° 18' N., 140^ 08' 



40" E.). 



C. Sirakami Lt., N. 28° E., 8 

 miles (41° 17' 20" N., 140° 

 07' E.). 



B. A. 2405; 



published 



Dec., 1855; 



ext. cor. 



Mar.,1895. 

 ....do.. 



..do. 



June 21 



...do.. 



June 22 



B. A. 2405 June 24 



and H. O. 



2184: pub-! 



1 i s h e d 



Oct., 1904. 

 ....do 



.do.... 



....do... 



....do.. 



.do do. 



B. A. 2405. 



H. O. 2124; 

 published 

 July, 1903; 

 ext. cor. 

 May, 1905. 



H. O. 53; 



published 



1855; ext. 



cor. Oct., 



1898. 

 ...do 



...do.... 



.do 



June 25 

 June 26 



July 16 



..do... 

 ...do... 



...do... 



3.32 p. m. 

 3.44 p. m. 



4.16 p. m. 

 5.00 p. m. 



4.12 p. m. 



10.22 a. m. 

 10.37 a. m. 



11.23 a. m 

 11.31 a.m. 



12.48 p. m 

 1.07 p. m. 



1.54 p. m. 

 2.09 p. m. 



10.12 a. m. 



4.35 p. m. 



9.00 a. m. 

 9.09 a. m. 



9.42 a. m. 

 9.55 a. m. 



2.23 p. m. 

 2.44 p. m. 



3.27 p. m. 

 4.07 p. m. 

 4.23 p. m. 

 5.03 p. m. 



fms. 



gn. S. 

 gn, S. 



**25 gn. S. **-, 

 **25 gn. S.**. 



*1,000 



107 

 107 



228 

 228 



229 

 229 



229 

 229 



*1,000 



Not 

 charted 



44 

 44-47 



47 



47 



207 

 207-90 



90 

 195 

 195 

 195 



crs. bk. S., P. 

 crs. bk. S., P. 



bk. S., crs. G 

 bk. S., crs. G 



crs. P., bk. S 

 crs. P., bk. S 



crs. P., bk. S. 

 crs. P., bk. S. 



Sh., crs. G... 

 Sh., crs. G... 



S., Sh., crs. G.... 

 S., Sh.,crs. G.... 



gy. S., P., brk. Sh 

 gy. S., P., brk. Sh 



rky 



fne.gy. S. 

 fne. gy. S. 

 fne. gy. S. 



a Shore collections were made at Simushir Island. 

 b Shore collections were made at Hakodate, 



