Irrigation. Duty of water in Nebraska, by O. V. P. Stout; Duty of water under Amity Canal, by Thomas Berry; Duty of water in Wyoming, by C. T. Johnston; Duty of water in Gallatin Valley, by Samuel Fortier; Duty of water on Big Cottonwood Creek, Utah, by R. C. Gemmell; Duty of water under Logan and Richmond Canal, by George L. Swendsen; Duty of water as related to irrigation problems of Boise Valley, Idaho, by D. W. Ross; from bulletin 86.

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