Credit: "Global Map of Sri Lanka ©ISCGM/ Survey Department, Sri Lanka"
Contact: Survey Department.
E-mail: 
Phone number: +94-112587957
Fax number: +94-112551337, +94-112551737
Postal address: Surveyor General's Office, P. O. Box 506, No. 150, Kirula Road, Narahenpita, Colombo5, Sri Lanka