00659cam a22002174a 4500003001000000005001700010008004100027040002500068041000800093044000800101080001100109100002900120245002800149260003500177650002600212655002300238942001200261945002100273999001700294952013000311AR-SsjUIB20250710162749.0250429s1951    xxc           000 0 eng d  aAR-SsjUIBcAR-SsjUIB0 aeng  axxc  a622.231 aCumming, James D.91705310aDiamond drill handbook.  aToronto :bSmit & Sons,c1951. 7aMinería2lemb91372 7aLibro2unescot914  cLB2cdu  adbfid1998-10-30  c13543d13543  00102cdu4070aINGbINGd2025-07-10eCompraiING.652l0o622.23 CUM L.B.G.pING.652r2025-07-10 00:00:00t1w2025-07-10yLB