[810] 207 U. S., 328.

[811] P. [586], supra.

[812] Economic Bulletin, of the Amer. Econ. Ass., I; Annual Rep. I. C. C., 1907, p. 93; and Idem, 1908, pp. 71 and 76.

[813] 209 U. S., 123, 205.

[814] The similar controversy in Minnesota regarding iron ore shipments seems to have been settled by voluntary abandonment of the claim to regulate by the state on Nov. 20, 1911. Cf. Minn. R. R. Com., Rep.

[815] Decision reprinted in our Railway Problems, rev. ed., chap. XXV. See also volume II.

[816] Railroad Commission of Louisiana, etc.; 23 I.C.C. Rep., 31.

[817] Cf. p. [394], supra.

[818] Ibid., p. 34. A number of other cases are cited and compared by Hammond, Rate Theories, etc., 1911, p. 82 et seq.

[819] The most careful examination of this subject is in H. G. Moulton's Waterways Versus Railways, 1912.