Relief shown by hachures and soundings. "Published according to Act of Parliament ... Augst. 24th. 1840. Corrections Feb. 1863." In lower right corner:1286. Inset: Coronel & Lota bays / by Captain Mallet of the Imperial French Navy, 1861. Includes 3 coastal profiles. "Soundings in fathoms." Historic Maps copy has ms. annotations.