45. Ltr. from D. J. White of Global Marine Development Inc. to R. N. Cordy, 

 CEL, of 6 Jan 1975. 



46. J. J, Myers, C. H. Holm and R. F, McAllister (editors). "Handbook 

 of Ocean and Underwater Engineering,'' 1969. 



47. Specifications, T-600C Trencher, The Diggin' Dutchman, 3-75-TC. 



BIBLIOGRAPHY 



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49 



