IRRIGATION PRACTICE AND ENGINEERING VOLUME I USE OF IRRIGATION WATER AND IRRIGATION PRACTICE IRRIGATION PRACTICE AND ENGINEERING THREE VOLUMES BY ETCHEVERRY B. A. HEAD OF THE DEPARTMENT OFIRRIGATION UNIVERSITY OF CALIFORNIA VOL. I USE OP IRRIGATION WATER AND IRRIGATION PRACTICE 213 pages, 6X9, 103 illustrations. VOL. II CONVEYANCE OF WATER 364 pages, 6X9, over 100illustrations. VOL. Ill IRRIGATION STRUCTURES 438 pages, 6X9, over 200illustrations. IREIGATION PRACTICE AND ENGINEERING VOLUME I USE OF IRRIGATION WATER AND IRRIGATION PRACTICE ETCHEVERRY B. A. HEAD OF THE DEPARTMENT OPIRRIGATION UNIVERSITY OF CALIFORNIA FIBST EDITION THIRD IMPRESSION McGRAW-HILL BOOK COMPANY, INC. NEW YORK: 239 WEST 39TH STREET LONDON: 6 & 8 BOUVERIE ST., E. C. 4 1915 COPYRIGHT, 1915, BY THE MCGRAW-HILL BOOK COMPANY, INC. THE.MAPLE.PRESS'YORK PA .