The geology and mineral resources of northern Sierra Leone /
Macfarlane, A.
Colley, H.
Institute of Geological Sciences (Great Britain)
British Geological Survey.
London : H.M.S.O.,
1981.
At head of title: Institute of Geological Sciences, Natural Environment Research Council
Includes bibliographies and index
Six maps on folded leaves in pocket: Maps 1 and 2 are catalogued separately.
Geology