Planta da colonia Portugueza de Macau e dos seus portos internos e externos, com indicação dos postos aduaneiros chineses modernamente estabelecidos [cartographic material] /

Map showing the territories of Macau and China, Chinese posts in July 1870 and Portuguese forts. Also shows boundary disputes and tensions between 1849 and 1901, when Portuguese tenure of the territory had become more secure. A neutral zone north of the Barrier Gate [Porta do cêrco] occupied by the Chinese authorities between 1849 and 1890 is marked in red.; The phrase "1870 modificada segundo as condições actuaes da Colonia (1901)" translates as "1870 modified according to actual conditions in the colony (1901)".; At head of title: (Off. no. 195 de 29/9/1900); In upper margin: No. 3.; Also available in an electronic version via the internet at: http://nla.gov.au/nla.map-brsc71-4