Presents two studies which examine economic and political developments in Tanzania in relation to the mining industry, the expansion of the informal sector and the rise of community development and of local non-governmental organizations. Covers the period from 1960 to 1992. Includes a history of the mining industry from 1918 to 1992 and profiles of mining areas and mining villages. Describes the role of the state and of non-governmental organizations in the provision of education and health care in nine districts.