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cc1477-8
- National Coal Board (Computers) 379 words cc1478-9
- Mining Subsidence 333 words cc1479-80
- Coke and Smokeless Fuels, Scotland 210 words cc1480-1
- Retail Distribution 194 words c1481
- Closed Pits, Durham 196 words cc1481-4
- Coal Prices, Scotland 1,003 words cc1484-5
- Smokeless Fuel Supplies 376 words