TY - BOOK ED - American Water Foundation & USBR. TI - An International Technical Workshop: August 17- September 2, 1988: Managing and Maintaining Irrigation & Drainage Projects Vol.A PY - 1988/// CY - American Water Foundation & USBR KW - IRRIGATION KW - IRRIG KW - IRRIGATION AND DRAINAGE KW - U.S.A., California ER -