Imprint:Published by James Horsburgh, Hydrographer to the East India Company.Distinctive Features:Relief shown by hachures. Depth shown by soundings.Nautical chart of the coast of the Gulf of Oman compiled from the surveys carried out by the Bombay Marine’s officers between 1820 and 1829, with Al Batinah region labelled ‘Extensive track of hilly country’.1 mapDimensions:500 x 720 mm, on sheet 562 x 770 mm