had useful data only to a depth of 620 meters. 

 One deep station was taken to a depth of 3574 

 meters in a water depth of 3612 meters. The 

 water depth of all stations ranged from 3450 

 to 3658 meters. Figure 3 shows the distribution 

 of the stations taken during this patrol. All 

 oceanographic data collected by the Ocean Sta- 

 tion vessels were transmitted via radio teletype 

 to the CGOU for real time processing and qual- 

 ity control. The data are listed by NODC as 

 Ref. No. 31-771 DU and as Table I of this re- 

 port. 



The USCGC McCULLOCH occupied eight 

 oceanographic stations from 24 November to 

 12 December 1966. Due to bad weather three 

 stations were sampled to depths of only 716, 

 412, and 400 meters. Four stations were sam- 

 pled to depths ranging from 1324 to 1621 me- 

 ters, and one deep cast of 2875 meters was 

 made in a water depth of 3621 meters. Figure 

 4 shows the distribution of stations about 

 BRAVO. The data are listed by NODC as Ref. 

 No. 31-819 ML and as Table II of this report. 



During the period 7-31 January 1967, 

 twenty oceanographic stations were taken by 

 the USCGC HUMBOLDT. Difficulties prev- 

 ented the taking of useful data below 285 and 



398 meters on two stations. Seventeen oceano- 

 graphic stations were taken between the depths 

 of 1348 and 1729 meters. One deep cast was 

 taken to a depth of 3396 meters. The distribu- 

 tion of stations is shown in figure 5. The data 

 are listed by NODC Ref. No. 31-870 HU and as 

 Table III of this report. 



Nine oceanographic stations were taken by 

 the USCGC BIBB from 24 February to 14 

 March 1967. Eight of these stations were shal- 

 low casts ranging from 1314 to 1580 meters. 

 One deep station to 3545 meters was taken in 

 water 3567 meters deep. The water depth at all 

 stations ranged between 3475 and 3613 meters. 

 The distribution of these stations is shown in 

 figure 6. The data are listed by NODC Ref. No. 

 31-875 BX and as Table IV of this report. 



During the period 6-24 April 1967, twelve 

 oceanographic stations were taken at Ocean 

 Station BRAVO by the USCGC ESCANABA. 

 One station had useful data to a depth of only 



399 meters, and eleven stations had data to 

 depths between 1342 and 1592 meters. Due to a 

 flaw in the cable, no deep casts could be made 

 during this patrol. The distribution of these 



stations is shown in figure 7. The data are 

 listed by NODC Ref. No. 31-887 EN and as 

 Table V of this report. 



The USCGC SPENCER occupied Ocean Sta- 

 tion BRAVO between 27 May and 6 June 

 1967. At all nine stations samples were taken 

 that ranged in depth from 1413 to 1899 meters. 

 All stations had water depths between 3567 

 and 3658 meters. No deep stations were taken. 

 The distribution of these stations is shown in 

 figure 8. The data are listed by NODC Ref. No. 

 31-1063 SC and as Table VI of this report. 



Twenty-two oceanographic stations were 

 taken during the period 29 June-21 July 1967 

 by the USCGC SEBAGO. During this highly 

 successful monitoring of station BRAVO, 

 twenty-one shallow casts were taken that 

 ranged in depth from 1392 to 1607 meters. One 

 deep cast to a depth of 3541 meters was taken 

 in 3658 meters of water. The distribution of 

 these stations is shown in figure 9. The data 

 are listed by NODC Ref. No. 31-1092 S5 and 

 as Table VII of this report. 



Ocean Station BRAVO was again occupied 

 by the USCGC McCULLOCH from 14 August 

 to 5 September 1967. Of the twenty-one stations 

 taken, three had maximum sample depths of 

 1092, 1021, and 1060 meters, while seventeen 

 stations had maximum sample depths ranging 

 from 1312 to 1784 meters. One deep cast was 

 made to 3461 meters in 3475 meters of water. 

 The distribution of these stations is shown in 

 figure 10. Three of the stations are not shown 

 because they were taken beyond the boundaries 

 of the figure. The data are listed by NODC 

 Ref. No. 31-1157 ML and as Table VIII of this 

 report. 



The USCGC SPENCER occupied station 

 BRAVO for a second time from 1-20 October 

 1967. One shallow cast resulted in useful data 

 only to a depth of 258 meters, six stations had 

 useful data to depths that ranged from 936 to 

 1211 meters, and the remaining six shallow 

 casts had a range of from 1395 to 1652 meters. 

 One deep cast to 2438 meters was made. The 

 distribution of these stations is shown in figure 

 11. The data are listed by NODC Ref. No. 

 31-1174 SC and as Table IX of this report. 



Discussion 



The data from the nine patrols at Ocean Sta- 

 tion BRAVO cover a one year period from 8 



