.245
aOpen Pit Mine Planning and Design
hBook
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a0-89520-253-0
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aCrawford, John T.
.005
a20100923153658
.260
aNew York
bAmerican Institute of Mining, Metallurgical and Petroleum Engineers
c1979
.041
aIndonesia
.084
a622.31 CRA o
.336
aBook