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A Scale of Grade and Class Terms for Clastic Sediments
Notes and References
This item contains 3 references.
1J. A. Udden, "Mechanical Composition of Clastic Sediments," Bull. Geol. Soc. Amer., Vol. XXV (1914), pp. 655-744.
1J. S. Flett, Encyclopaedia Britannica, 11th ed. (1911), Vol. XII, p. 382, and Vol. VI, p. 913.
1J. A. Udden, loc. cit.