LEADER 00000nam 2200000 a 4500 001 19454429 003 UkHlHU 020 0751805203 034 1 a|b50000 040 UkHlHU 050 4 United Kingdom R136 110 1 Great Britain.|bOrdnance Survey,|ecartographer. 245 10 Derby|h[cartographic material]. 250 Solid and drift ed. 255 1:50,000. 260 Southampton :|bOrdnance Survey for the Institute of Geological Sciences,|c1972. 300 1 map ;|c39 x 58 cm. 440 0 Geological survey of Great Britain (England and Wales).|p1 :50,000 series ;|v125 440 0 British Geological Survey 1:50,000 series.|pEngland and Wales ;|v125 650 0 Geology|zEngland|zDerbyshire|vMaps. 651 0 Derby (England)|vMaps. 710 2 Institute of Geological Sciences (Great Britain) 710 2 British Geological Survey.
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