Engineers, 1968 S.P.I.E. Seminar Pro- 

 ceedings, Underwater Photo-optical In- 

 strumentation Applications, v. 12, Feb. 

 1968. 



18. Woods Hole Oceanographic Institution 

 1967 Deep Submergence Research Con- 

 ducted During the Period 1 January 

 through 31 December 1966. W. H.O.I. 

 Ref. No. 67-23, 23 pp. 



19. Breaker, L. C. & Winokur, R. S. 1967 The 

 variability of bottom reflected signals 

 using the deep research vehicle ALVIN. 

 U.S. Naval Oceanographic Office, I.R. 

 No. 67-92, 19 pp. 



20. Milliman, J. D., Manheim, F. T., Pratt, R. 

 M. & Zarudski, E. F. K. 1967 ALVIN Dives 

 on the Continental Margin off the 

 Southeastern United States. W. H.O.I. 

 Ref. 67-80, 48 pp. 



21. Inderbitzen, A. L., Simpson, F. & Goss, G. 

 1970 A Comparison of In-Situ and Labo- 

 ratory Vane Shear Measurements, Lock- 

 heed Missiles and Space Company Re- 

 port 681703, 35 pp. (Unpub. Manuscript) 



22. Perlow, M., Jr. & Richards, A. F. 1972 In- 

 Place geotechnical measurements from 

 submersible ALVIN in Gulf of Maine 

 soils. Reprint from 4th Ann. Offshore 

 Technology Conf. Houston, Tex., May 

 1972, Paper No. OTC 1543. 



23. Sly, P. G. 1971 Submersible Operations 

 in Georgian Bay and Lake Erie — 1970. 

 Canadian Dept. of Energy, Mines and 

 Resources Tech. Bull. No. 44, 36 pp. 



24. Hirst, T. J. 1973 Vertical variability of 

 sediment shear strength. Mar. Tech. Soc. 

 Jour., V. 7, n. 1, p. 21-24. 



25. Hamilton, E. L., Bucker, H. P., Keir, D. L. 

 & Whitney, J. A. 1969 In-Situ determina- 

 tions of the velocities of compressional 

 and shear waves in marine sediments 

 from a research submersible. Naval Un- 

 dersea Research and Development Cen- 

 ter, San Diego, Calif., TP 163, 26 pp. 



26. MacKenzie, K. V. 1968 Accurate depth 

 determinations during DEEPSTAR- 

 4000 dives. Jour. Ocn. Tech., v. 2, n. 2, p. 

 61-67. 



27. Merrifield, R. 1969 Undersea Studies 

 with DEEPSTAR-4000. Oct.-Nov. 1967, 

 I.R. No. 69-15. 



28. Maxwell, A. E., Lewis, R., Lomask, M., 

 Frassetto, R. & Rechnitzer, A. 1957 A 



preliminary report on the 1957 investi- 

 gations with the bathyscaph, TRIESTE 



(Unpub. Manuscript) 



29. Rechnitzer, A. B. 1962 Summary of the 

 bathyscaph TRIESTE research program 

 results (1958-1960). Naval Engineering 

 Laboratory Report 1095, San Diego, 

 Calif., 63 pp. 



30. LaFond, E. C. 1962 Deep current meas- 

 urements with the bathyscaph TRI- 

 ESTE. Deep-Sea Res., v. 9, p. 115-116. 



31. MacKenzie, K. V, 1961 Sound-speed 

 measurements utilizing the bathyscaph 

 TRIESTE. Jour. Acous. Soc. Amer., v. 88, 

 n. 8, p. 1113-1119. 



32. Jerlov, N. G. & J. Piccard 1959 Bathy- 

 scaph measurements of daylight pene- 

 tration into the Mediterranean. Deep- 

 Sea Res., V. 5, p. 201-204. 



33. Bennett, R. H., Keller, G. H. & Busby, R. 

 F. 1970 Mass property variability in 

 three closely spaced deep-sea sediment 

 cores. Jour. Sed. Petrol., v. 40, n. 3, p. 

 1038-1043. 



34. Buffington, E. C, Hamilton, E. L. & D. G. 

 Moore, 1967 Direct measurement of bot- 

 tom slope, sediment sound velocity and 

 attenuation, and sediment shear 

 strength from DEEPSTAR-4000. In. 

 Proc. 4th U.S. Navy Symp. on Military 

 Oceanog., v. I, p. 81-90. 



35. Pelletier, B. R. 1968 The submersible 

 PISCES feasibility study in the Cana- 

 dian Arctic. Maritime Sediments, v. 4, n. 

 2, p. 69-72. 



36. Noakes, J. E. & Harding, J. L. 1971 New 

 techniques in seafloor mineral explora- 

 tion. Jour. Mar. Tech. Soc. v. 5, n. 6, p. 41- 

 44. 



37. Assard, G. L. & Hassell, B. C. 1966 Metis- 

 urements of the spatial correlation of 

 ambient noise using a deep-submer- 

 gence vehicle. (DIVING SAUCER-SP- 

 300). U.S. Navy Underwater Sound Lab- 

 oratory Rept. No. 714, 19 pp. 



38. Caddy, J. F. 1969 Underwater observa- 

 tion techniques in fisheries research, in, 

 MAN IN COLD WATER, Conf. on Under- 

 sea Operations in the Canadian Environ- 

 ment, McGill Univ., Montreal, May 12-13 

 1969, p. 33-34. 



39. Barham, E. G., Ayer, J. J., Jr. & Boyce, R. 

 E., 1967 Macrobenthos of the San Diego 

 Trough: photographic census and obser- 



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