Yazar
Christopher Gordon Down
2 cilt bulundu.
Cilt sonuçları
Environmental impact of mining
Christopher Gordon Down · Wiley
371 sayfa · 1977
Environmental aspects / Environmental aspects of Mineral industries / Mineral industries / Industrie / Mines
The history of the Somerset coalfield
Christopher Gordon Down · David and Charles
283 sayfa · 1971
Somerset / Coal mines and mining / England / History