In 1827 the special Office of the Hydrographer General was established. In the same year the Corps of Naval Navigators was founded, the chief of which was also a hydrographer. The first and only general of the newly-instituted body was hydrographer Admiral Gavril Andreevich Sarychev (in office 1827-31), after whose death the management of the office was transferred to the Chief of Naval Staff Prince A. S. Menshikov. The first and only director of the hydrographic depot was F. F. Schubert (in office 1827-37).Russian Hydrography before 1917
