A basic computer program for computing grade and tonnage or ore using statistical and polygonal methods

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086 0 ‡aI 28.23:6292
100 1 ‡aHewlett, Richard F.
245 1 2 ‡aA basic computer program for computing grade and tonnage or ore using statistical and polygonal methods / ‡cby Richard F. Hewlett.
260 ‡a[Washington, D.C.] : ‡bBureau of Mines, ‡c[1963]
300 ‡a20 p. : ‡bill. ; ‡c27 cm.
490 0 ‡aReport of investigations / Bureau of Mines ; ‡v6292
500 ‡aBased on work done in cooperation with the Bear Creek Mining Company and the Bureau of Mines and the College of Mines, University of Arizona.
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aElectronic digital computers.
650 0 ‡aOres ‡xSampling and estimation ‡xMathematical models.
650 0 ‡aOres ‡xSampling and estimation ‡xComputer programs.
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