The Sakhalin Branch offers geodesic and hydrographic services to all concerned persons to be rendered in the water areas of the seaport of Alexandrovsk-Sakhalinsky, Korsakov, Moskalvo, Nevelsk, Poronaisk, Kholmsk and Shakhtersk.

More information on the procedure and terms for rendering geodesic and hydrographic services by the Sakhalin Branch can be found in the section “The Sakhalin Branch Geodesic and Hydrographic Services”.