This line shapefile contains prefecture boundaries for Guinea as of January 2007. These are the level 2 administrative units (ADM2) for Guinea. This layer is part of the Map Library dataset containing line and polygon boundaries for individual countries on the African continent. The Map Library is a project of the UK charity “The Map Maker Trust." It aims to make public domain mapping data more readily available for development in all kinds of fields, from health care to urban management, from de-mining to environmental protection. Map Maker Ltd. (2007). Prefecture Boundaries, Guinea, 2007 Map Maker, Ltd. Available at: http://purl.stanford.edu/wt105bj8637.