Accuracy in estimating metal content and tonnage of an ore body from diamond-drill-hole data

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086 0 ‡aI 28.23:6380
100 1 ‡aKoch, George S., ‡cJr.
245 1 0 ‡aAccuracy in estimating metal content and tonnage of an ore body from diamond-drill-hole data / ‡cby George S. Koch, Jr. and Richard F. Link.
260 ‡a[[Washington, D.C.] : ‡bBureau of Mines, ‡c[1964]
300 ‡a24 p. : ‡bill., tables, map ; ‡c27 cm.
490 0 ‡aReport of investigations / Bureau of Mines ; ‡v6380
500 ‡aBased on work done in cooperation with the Dept. of Statistics, Oregon State University.
504 ‡aBibliography: p. 21.
538 ‡aMode of access: Internet.
650 0 ‡aBoring.
650 0 ‡aRock-drills.
650 0 ‡aRock-drills.
650 0 ‡aOres ‡xSampling and estimation.
700 1 ‡aLink, Richard F., ‡d1928- ‡ejt. author.
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