Map of northeastern Siberia and northwestern coast of North America, including Kodiak Archipelago of Alaska. Relief shown pictorially. Latitudinal and longitudinal lines. Coordinates approximate and based on Greenwich meridian. Map shows topography, drainage, islands, ports. Descriptive text throughout. Title loosely translated as: Marine opening of Russian sailors. Stanford copy folded inside red cover with gilted seal, including lion and "Nobilis ira avito viret honore."