Announcement By The Water Commission Of The Guadalquivir Hydrographic Confederation Of Public Information On The Procedure For Modifying The Characteristics Of Public Water Concession For Irrigation Of 70,308 Ha And A Volume Of 421,848 M3/Year With Direct Capture Of The Fixed River (Guadalquivir River); Well (Guadalquivir Alluvial - Seville); Well (Guadalquivir Alluvial - Seville) In Posadas (Córdoba). File M-4995/2007-Ing.