Yazar
Lewis M McNay
3 cilt bulundu.
Cilt sonuçları
Coal refuse fires, an environmental hazard
Lewis M. McNay · U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
50 sayfa · 1971
Air / Fires and fire prevention / Pollution / Spoil banks
Surface mine reclamation, Moraine State Park, Pennsylvania
Lewis M. McNay · U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
28 sayfa · 1970
Reclamation of land / Strip mining
Strength of cemented hydraulic sandfill modified by flocculants
Lewis M McNay · U.S. Dept. of the Interior, Bureau of Mines, c
14 sayfa · 1976
Mine filling / Hydraulic filling