Cclibrction of the - U - D. M. Poole and 



Eraeiy Settling Tube ¥. S. Butcher 



for Send Analysis 



References 



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Sad. Petrol.. Vol 8, pp. 105-111. 



2. Krumbein, W. C. (l93/^). The Probable Error of Sampling Sediments for 



Mechanical Analysis^ Am. Jour. Sci.. 5th Series, Vol. 27, pp. 204- 

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3. Krumbein, ¥. C. and F. J. Pettijohn (1938). Mejiual of Sedimentary Petrog- 



raphy. Appleton-Century Co., Inc., New York. 



4. Ludvdck, J. C, Jr. (1948). Unpublished Data on File at Scripps Institu- 



tion of Oceanography, La Jolla, California. 



5. Owens, J. S. (1911). Experiments on the Settlement of So].ids in Water, 



Geog. Jour.. Vol. 37, pp. 59-79. 



6. Rubey, W. W. (1933) . Settling Velocities of Gravel, Sand, and Silt Par- 



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