Distinctive Features:Depths shown by soundings.Hand drawn nautical chart of the shores of the Persian Gulf compiled from the survey carried out by the Bombay Marine’s officers in 1822 showing Amulgawein [Umm al-Quwain] with the location of fresh water wells marked.Place names given both in English and Arabic.Includes note on water levels and soundings with latitude and longitude of the town reported.Michael Houghton’s initials inserted in the bottom right hand-corner above the neat line.Oriented with south to the top.1 mapMaterials:Pen and ink on paperDimensions:633 x 810 mm, on sheet 660 x 835 mm