Landmarks in the Development off Ocean Technology 



Commerciai recovery of bromine from seawater. 1933; magnesium from seawater, 1941 



Introduction of nylon purse seine. 1956-58 



First 1 million gal. per day desalting plant. Freeporl. Tex.. 1961 



First city to use seawater for water supply (2.6 tvlGD). Key West. Fla.. 1967 



U.S. Government approval of FPC. 1967 



Oil well repair, 25 min.. Sept. 1964 



Navy lab. saturation with excursion to 1.100'. Feb. 1968 



Sea Level 



20 First workable scuba. James, 1825 

 33 CONSHELF I. 1 wk., Sept. 1962 

 , 36 CONSHELF II, 1 mo.. June 1963 

 i 50 First oil well offstiore, beyond siaht of land. La.. 



85 CONSHELF I. 5-tir. work day. Sept. 1962 

 ,90 CONSHELF II, 1 wk.. June 1963 

 1 100 "Aqualung," Cousteau & Gagnan. 1942 (approx. 100') 



165 CONSHELF II, work camp, June 1963 

 192 Sealab I, 10 days, July 1964 

 200 First at-sea saturation dive, Stenuit, 1 day, Sept. 

 205 Sealab II. 45 days. Aug. -Sept. 1965 

 220 Scuba dive, Dumas. Oct. 1943 

 243 Squalus recovery, 1939 

 250 Oil production — California 1961 

 285 Oil production — Gulf of tulexico. 1956 

 328 CONSHELF III. 22 days. Sept. 1965 

 340 Oil production — Gulf of (Mexico, 1967 

 <^ \ 432 Open sea saturation, Stenuit & Lindbergh, 48 hrs.. June 1964 



'^^ % 



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 o, ■^^ ^ 



<f '?' \ 630 Exploratory oil well — Gulf of Ivlexico, 1965 

 'ij. ^ \ 700 Diver lockout from Deep Diver, tvlay 1968 



% 

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■^ \ 1.000 Open sea bounce dive, Keller, 1962 

 (;;j_\ Navy/Duke lab.saturation, Dec. 1968 



1.300 Exploratory oil well — Santa Barbara channel, 1968 



2000' 

 2.500 H-bomb recovery. April 1966 



3.028 •■Bathysphere." Beebe & Barton. 1934 



Deepslar 4000 — 500th dive, Nov. 1958 



10.000 



20,000 - 



36.000 



Alvln. April 1965 



Deepquesl. Feb. 1968 

 Trieste recovery of portion of 

 Thresher. June 1963 



12.000 Scorpion located. 1958 

 13.287 FNRS-3. 1954 



Deep Trenches 

 2% of Bottom Area 



I 35.800' Deepest 

 dive by man. 

 Trieste. 1960 



