Authors: WILLIAMSON IA CLARKSON R

Citation: Ia. Williamson et R. Clarkson, FIELD MEETING IN THE PENDLE COALFIELD, NORTHEAST LANCASHIRE - LANCASHIRE GROUP, 17 JUNE 1995, Proceedings of the Geologists' Association, 107, 1996, pp. 143-145

Authors: WILLIAMSON IA

Citation: Ia. Williamson, FIELD MEETING IN THE CLIVIGER GORGE, NEAR BURNLEY, LANCASHIRE - LANCASHIRE GROUP, 25 JUNE 1994, Proceedings of the Geologists' Association, 106, 1995, pp. 309-312

Authors: WILLIAMSON IA

Citation: Ia. Williamson, FIELD MEETING IN THE BURNLEY COALFIELD, LANCASHIRE - LANCASHIRE GROUP, 26 JUNE, 1993, Proceedings of the Geologists' Association, 105, 1994, pp. 153-155