SEA SOUNDINGS IN THE NORTH PACIFIC OCEAN 



JftHJuii/ of tiff It sra .stiuiiilings, JS'orth Piirijir Ot'tan, hy I'ltifcd States stfumship Tuscaroru^ 



Commander George K. Bcfkiiap^ cummanding ; 



Yokohama ^ Japnn^ to Ctijir F/attcrtf, 



via Aleutian Islands 



Cast No. 28.— June 17, 1874. 



N'uniLer 



Hour 



Wind 



Furco 



Weatlirr — 



ScR 



Line 



Sinker 



Weislit .... 



Macbine 



App. for spec 



9 h. 5n m. 54 « ;.. m. 

 Vnvi:il'!;. 



0.5 to 1. 



li c f clouilw, eiinis. ]*i-op. elenr. f. 



Sinootli. 

 Piano-wirc. No. 22. 



8-inch sliot ami 1I> llis. lead \voii.rlit on 



casting. - 

 -4 Ills. 



Sir AVilliani Tli son's. 



liclknnp cyliutlcr. Xo. 1. 



Latitude. 42° 5T N., olw. 

 Longitude, Upoaj'K, chro. 

 liaronieter, 3II.1S ; tlicr. att'd. XiO.!*. 

 Teniperiitnios : 



Air, S4O.0, D. B.: irfi W. H. 



Sen-snrJ'ace. 49° j. 



Undcr-siirface 7.10 Inis.. 34°— 0'>.49=33°.51. (I8I43.) 

 Ueptli, 4,350 Inis. 



Bottom, yellowisli mud witli sand and specks of lava. 

 Surface-current. 3 fins. X. E. 

 Under current : 



10 tins., 3 tins. XE. by N. 



211 tins., j fnis. N. W.' 



30 tins., I fill, W, 



.111 fiii.s.. l.j ties, W 



lIKIfois,, 2fms. W. livS 



201 1'iii.s., I] fins. SW. iiy S 

 Value of soiindin;i, nndoiibtedlv jjood. 



Curient shown by obsen'utioii cliuiiig jiast 24 lioiirs, N. 45° E., 3 fins, per hour. 



100 

 200 



3C0 

 400 



500 



con 



700 

 800 



900 

 lOOO 



1100 



1200 

 1300 

 1400 

 1,500 

 1000 

 1700 

 1800 



1000 

 2e00 

 2100 

 2200 



2300 

 2400 

 2500 

 2000 



2700 

 2800 

 29<J0 

 3000 



3100 



32110 

 330O 

 3400 

 3500 

 SfiOO 

 3700 

 3800 



3900 

 4000 

 4071 



n. III. 



IL tt). 



a. >i). 

 11. 111. 



U. II). 



n. 111. 



n. 111. 

 a. m. 



n. m. 

 n. 111. 

 a. 111. 



Q. m. 

 n. 111. 



a. m. 

 a. m. 



n. m. 

 a. m. 

 a. ni. 



Time goiup out. 

 Finished 



Inter- 

 val. 



-M Diff. 



52 36 Com'giu 



Total time of cast . 



Time Imnl- 

 ins in. 



Fine i-alin wrntlicr ; cii^rincs tiinved oecaflionally ; Lien- 

 ti'iinnt K. SI. Syinoiuls went out in ixlialc-bnat to tr-y 

 uiKliTsiiiface fill rents. 



Before bc^inniii;; tliis cast, wound 70G tiitltoiiis more of 

 wire on the lei-i. Reel soinurli Mtrained by tlie.'*o deep 

 casts that the wire uill h:ivi- tn be wound upon u new 

 one. 



At end of cast k<pt on eonrse under fme and aft -snil, fore- 

 wjiil, and steam ; wind very li^jht. 



sEiii.vr, TF:MrKit.\Trni:s. 



-0°.00: 



-0°.0|: 



-D°.02 

 -0°.03: 

 -0°,07^ 

 -0°.2I 

 -0°.35 

 -0°.49: 



4a°.7- 

 30°.4!P. 

 1 33°.58. 

 32° C7. 

 33°.33 

 33°,59. 

 34°. 15. 

 33°.51. 



No. 1814,5. 

 Xo. 1814.5. 

 No. 1814,5. 

 No. 18143. 

 No. 18143. 

 No. 18145. 

 No. 18145. 

 No. 18143 



1,1- on riillev. llyti. iiid. 



125 lbs 48 lbs. 



90 lbs 44 lbs 5j fms. 



05 lbs :«• lbs .... 70fnis. 



VI lbs 30 lbs 90 fms. 



25 lbs 18 Ills 



40 lbs IS lbs . 



90 lbs 35 lbs . 



112 lbs 40 lbs. 



150 lbs 47 lbs . 



Number of rcvollttiuDB, 4.071. 



Number of measured fatlionis. 

 Stray line 



170 fuis. 

 . 970 fms. 

 3,390 fms. 

 3.600 fms. 

 3,!985 fms- 



4,331 

 25 



Peptb 4.356 



An extract from the official journal of the USS Tuscarora ing cast (Cast No. 28 - June 17, 1874) using the Thomson 

 recording the deepest bottom specimen obtained with a sound- sounding machine for piano wire. 



65 



