Treskot, Johann - Schmidt, Jacob (Jacob F.)
Karta Ledovitago mori︠a︡ i Vostochnago okeana
Generalʹnai︠a︡ karta Ledovitago mori︠a︡ i Vostochnago okeana
Depths shown by soundings in coastal waters. Also covers Russian Far East and Alaska. In Russian. Greenwich, Paris, and Petersburg meridians; Greenwich degrees numbered westward to 240⁰. Available also through the Library of Congress Web site as a raster image. Includes Hydrographic Department insigne. LC copy rubber-stamped, annotated on cloth backing, fold-lined.
Russia. Gidrograficheskīĭ Departament