Irrigation. Report of irrigation investigations for 1902, no. 2; Irrigation investigations on Sand Creek, Albany County, Wyo., by B. P. Fleming; Irrigation in Washington, by O. L. Waller; Irrigation investigations in Montana, 1902, by S. Fortier; Irrigation systems on Stony Creek, Cal., by W. T. Clarke and C. W. Landis; Irrigation in Black Hills, S. Dak., by A. B. Crane; from Bulletin 133.