Basic estmated capital investment and operating cost for coal strip mines
Katell S
Basic estmated capital investment and operating cost for coal strip mines - Washington Govt Printer USA 1974 - 31p. cm. - U.S National Technical Information Service .
General Book
Capital Investment
Operating Cost
Coal Industry
X9(F551):26.73.N7, L4/GD
Basic estmated capital investment and operating cost for coal strip mines - Washington Govt Printer USA 1974 - 31p. cm. - U.S National Technical Information Service .
General Book
Capital Investment
Operating Cost
Coal Industry
X9(F551):26.73.N7, L4/GD
