1. (Composite of) Africa, with all its states, kingdoms, republics, regions, islands, and ca. Improved and inlarged from D'Anville's map; to which have been added a particular chart of the Gold coast, wherein are distinguished all the European forts and factories. By S. Boulton, and also a summary description relative to the trade and natural produce, manners and customs of the African continent and islands. London, printed for Robert Sayer, Fleet Street, as the Act directs, 6 Jany. 1787 (Raster Image) Datasets Stanford University Public content 1787. Rumsey, David, 1944- and Boulton, S. This layer is a georeferenced image of a map of Africa originally created by S. Boulton in 1787. The original map appears in 'A general atlas, desc... Cartography Associates.