Yazar
j e fraley
7 cilt bulundu.
J. E. Fraley · U.S. Dept. of the Interior, Bureau of Mines
20 sayfa · 1987
Grouting / Mine roof bolting
J. E. Fraley · Dept. of the Interior, Bureau of Mines
22 sayfa · 1977
Coal mines and mining / Mining engineering / Sealing compounds
J. E. Fraley · Dept. of the Interior, Bureau of Mines
10 sayfa · 1978
Coal mines and mining / Mining engineering / Sealing compounds
J. E. Fraley · Dept. of the Interior
13 sayfa · 1990
Deterioration / Mine hoisting / Synthetic lubricants / Testing / Wire rope
J. E. Fraley · U.S. Dept. of the Interior, Bureau of Mines
23 sayfa · 1987
Grouting / Gypsum / Mine roof bolting / Resin Mine roof bolts / Testing
J. E. Fraley · U.S. Dept. of the Interior, Bureau of Mines
17 sayfa · 1976
Mining engineering / Sealing compounds
J. E. Fraley · Dept. of the Interior, Bureau of Mines
20 sayfa · 1977
Coatings / Rock mechanics / Shale