TY  - BOOK
AU  - De Swardt,A.M.J.
AU  - Casey,Owen Patrick
AU  - Jefford,G.
TI  - The coal resources of Nigeria,
AV  - TN810.N5 D4
PY  - 1961///
CY  - [Lagos
PB  - Govt. Printer]
KW  - Coal mines and mining
KW  - Nigeria
N1  - Orignial imprint date covered by label: 1963; Bibliography: p. 61
ER  -