Mine waste disposal technology/

Mine waste disposal technology/

55

Manylion Llyfryddiaeth
Prif Awduron: Bureau of Mines Technology Transfer Workshop (1981 : Denver, Colo.), United States. Bureau of Mines. Minerals Research
Fformat:
Cyhoeddwyd: Washington, D.C. : Bureau of Mines, Mineral Research Directorate, 1981
Pynciau:
Mines and mineral resources
Coal mines waste

Eitemau Tebyg