[411] Farrar, The Post Road Power (Hearings before Committee on Interstate Commerce, United States Senate, 62d Congress, p. 1498 ff).
[412] Monongahela Navigation Co. v. U. S., 148 U. S. 312 (1893).
[413] Annals of 2d Congress, pp. 303–309.
[414] See Prentice, Federal Power over Corporations and Carriers, p. 152.
[415] Pensacola Telegraph Co. v. Western Union Telegraph Co., 96 U. S. 1 (1878). Congress may authorize the secretary of war to lease upon terms agreed upon any excess of water power which results from the conservation of the flow of a river, and the works which the government may construct. U. S. v. Chandler-Dunbar Water Power Co., 229 U. S. 53 (1913).
[416] 37 Stat. L. 560.
[417] For an account of proposals in Congress to take this action, a history of its recommendation by successive postmasters general, and much valuable statistical information concerning the operation of the American privately owned, and the foreign publicly owned, telegraph and telephone systems, see “Government Ownership of Electrical Means of Communication,” 63d Congress, 2d Sess., Senate Doc. No. 399.
[418] 37 Stat. L. 240.
[419] See Exclusion of Certain Publications from the Mails, p. 3 ff. (Hearing before the Committee on the Postoffice and Postroads, House of Representatives, 63d Cong., 3d Sess.).
[420] Freund, Police Power, p. 509; 2 Willoughby on the Constitution, 841.