Geology of the South Wales coalfield; the Upper Carboniferous and later formations of the Gwendraeth Valley and adjoining areas in parts of the Carmarthen (229), Ammanford (230) and Worms Head (246) sheets
Archer, A. A.
Institute of Geological Sciences (Great Britain)
London, H.M. Stationery Off.,
1968.
"Special memoir."
At head of title: Natural Environment Research Council, Institute of Geological Sciences.
Geology
Coal