Geodetic and hydrographic rules remove the deposit located on the earth's surface, measure the depths of the seas, bays and rive...

Geodetic and hydrographic rules remove the deposit located on the earth's surface, measure the depths of the seas, bays and rivers and means everything on marine maps / Sarychev, Gabriel Andreevich (1763-1831).- St. Petersburg.: in the sea printing house, 1825. -2nd ed.605: Territory..Source of an electronic copy: Russian Geographical Society