• Chart of the coast of Maine /

    Relief shown by hachures on some sheets. Depths shown by soundings on some sheets. On some sheets: Entered according to Act of Congress, by Capt. Seward Porter, in the year 1837, in the Clerks office of the District Court of Massachusetts. Some sheets lack geographic coordinates and bar scale. Orientation varies. Sheets numbered: No. 1 ... No. 9. Ristow. American maps and mapmakers. Available ...

    • Contributor: Porter, Seward
    • Original Format: Maps
    • Date: 1837