- C2
- Cyfres
- 1908-1912
Reports, 1908-1912, on the mining of coal and other minerals in Canada and the USA.
Coal mines and mining – Canada
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Coal mines and mining – Canada
Termau cyfwerth
Coal mines and mining – Canada
Termau cysylltiedig
Coal mines and mining – Canada
1 Disgrifiad archifol canlyniad ar gyfer Coal mines and mining – Canada
1 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach