TY - BOOK AU - Cummings,Ronald G. ED - World Resources Institute. TI - Waterworks: improving irrigation management in Mexican agriculture T2 - WRI paper SN - 0915825333 : AV - HD9014.M62 W37 1989 U1 - 333.91/3/0972 20 PY - 1989/// CY - Washington, D.C. PB - World Resources Institute KW - Food supply KW - Government policy KW - Mexico KW - Water resources development KW - Irrigation farming KW - Agriculture and state KW - History KW - 20th century N1 - December 1989 in reference ER -