A file of reports, correspondence, and memoranda concerning Anglo-American cooperation for research into the possibility of extracting uranium from South African gold mines. Amongst the subjects discussed are the circulation of reports on South African natural resources; the financing of a research study at the Massachusetts Institute of Technology, and the transportation of ore samples from South Africa to the USA; future allocation of research work; the technical process of extracting the uranium; relations between Britain, the United States of America, and South Africa; arrangements for the exchange of information between Britain and America; and disagreements and friction between the two countries over the scheme.