SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM IS THE COASTAL REGION OF THE LANZAROTE ISLAND

SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM SITGES TO VINAROZ IN CASTELLÓN PROVINCE

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

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH NW EEZ 2002

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH MED EEZ 1997 DEEP WATERS

MULTIBEAM DATA OBTAINED WITH EM1000 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH MED EEZ 1997 MEDIUM DEPTH WATERS

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

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

MULTI BEAM DATA OBTAINED WITH EM300 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM SAN JOSÉ TO SAN AGUSTIÍN IN ALMERÍA PROVINCE

SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM CABO CERBÈRE IN GERONA PROVINCE TO CARET DE MAR IN BARCELONA PROVINCE