The Survey and Land Registration Bureau (SLRB) has signed an agreement, renewing co-operation with the British Hydrographic Office.SLRB chairman Shaikh Salman bin Abdulla bin Hamad Al Khalifa signed the deal with Land Hydrographic Office head Admiral Angus Esenhay, in the presence of Bahrain’s Ambassador to the UK Shaikh Fawaz bin Mohammed Al Khalifa .