- C/37
- Ffeil
- 1982
Rhan oEirene White papers
A file of miscellaneous papers on the coal industry, many relating to a European Conference on Coal and the Environment convened at Leeds during September 1982.
Coal mines and mining -- Waste disposal -- Great Britain
Tacsonomeg
Cod
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Nodyn(nodiadau) darganfod
Termau hierarchaidd
Coal mines and mining -- Waste disposal -- Great Britain
Termau cyfwerth
Coal mines and mining -- Waste disposal -- Great Britain
Termau cysylltiedig
Coal mines and mining -- Waste disposal -- Great Britain
1 Disgrifiad archifol canlyniad ar gyfer Coal mines and mining -- Waste disposal -- Great Britain
1 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach