- C/25
- Ffeil
- 1974-1987
Rhan oEirene White papers
The file comprises miscellaneous typescript and printed items assembled by Lady White concerning the use of mineral waste materials.
Mineral industries -- Waste disposal -- Great Britain
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Mineral industries -- Waste disposal -- Great Britain
Termau cyfwerth
Mineral industries -- Waste disposal -- Great Britain
Termau cysylltiedig
Mineral industries -- Waste disposal -- Great Britain
1 Disgrifiad archifol canlyniad ar gyfer Mineral industries -- Waste disposal -- Great Britain
1 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach