Relief shown hachures and spot heights. Depths shown by soundings.; Selected lights hand colored in yellow and red.; Includes 2 inset maps and 6 views.; "Published according to Act of Parliament at the Hydrographic Office of the Admiralty July 18th 1849. Large corrections. April 73."61 x 47 centimetersJPEGUMN_ALMA:9975608899101701engHydrographic Office, Admiralty (London)PublicAzores, Corvo and FloresMapsPortugal--AzoresPortugal1873University of Minnesota