SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM LOS URRUTIAS IN MURCIA PROVINCE TO EL CALÓN IN SOUTHWEST OF ALMERÍA PROVINCE

SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS EASTERN OF CEUTA IN CEUTA PROVINCE AND ESTRECHO DE GIBRALTAR IN CÁDIZ PROVINCE.

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH CANARIAS ISLANDS EEZ 1999

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH MED EEZ 1995

MULTI BEAM DATA OBTAINED WITH EM300 / GEOSSWATH 500 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS APPROACHES OF VALENCIA

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH MED EEZ 1996 DEEPER WATERS

SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM SOUTH OF BARBATE TO NORTH OF ROTA IN CÁDIZ PROVINCE

MULTI BEAM DATA OBTAINED WITH EM3002D ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS PORT OF ALUMINA-SANCIPRIAN

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH NW EEZ 2003

MULTI BEAM DATA OBTAINED WITH EM3002D ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS PORT AND APPROACHES OF CASTELLÓN