Joseph-Nicolas Delisle? Map of northeastern Siberia and northwestern coast of North America. Relief shown pictorially. Latitudinal and longitudinal lines. Coordinates approximate and based on Greenwich meridian. Shows topography, drainage, islands, ports, routes. Decorative cartouche. Descriptive text throughout. Title loosely translated as: Map showing inventions [discoveries?] by Russian seafarer [voyages?] on the Northern part of America.