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1927. Some principles of oyster dredging. Bull. N. J. Agr . Exp, 

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1931. Trapping the oyster drill . Bull. N. J. Agr . Exp. Sta. 523: 

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1948a. Mechanizing the cultivation of oysters: recent developments 

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Drill destruction by flame . Unpub. Rept . El sworth Venus 

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1945. Future of the Virginia oyster industry. Commonwealth 

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144 



