Chart of the Azores or Western Islands Improved from those of Fleurien and Tolino with the Rectification of longitude given in Purdy's Memoir on the Atlantic, as confirmed by Captain Wm Fitzwilliam Owen in his majesty's ship Leven 1820

1842

Chart of the Azores, mostly topographic information of the islands, including place names and settlements. Sounding depths, descriptions of the seabed, and magnetic variation included in the insets for San Miguel, channel between Fayal and Pico, and the Road of Angra. Insets: Side views of the islands, San Miguel, Channel between Fayal and Pico, the road to Angra