Atlas of seismic activity, 1909 to 1968 /
Bickmore, D. P.
Crampin, Stuart.
Natural Environment Research Council (Great Britain).Experimental Cartography Unit.
London : H.M. Stationery Off.,
1976.
"Form of the seismicity maps presented has been developed and designed by the Experimental Cartography Unit of the Natural Environment Research Council under Mr D. P. Bickmore."
"Complemented by the preceding bulletin, 'Seismicity and seismic hazard in Britain' by R. C. Lilwall (Seismological Bulletin No. 4)."
Maps designed by thte Experimental Cartography Unit.
Bibliography: p. xv.
Seismology
Earthquakes