00792nas a22002534a 4500001000800000003001100008005001700019008004100036040002600077041000800103044000800111245003200119260014300151300001600294310001200310362003100322650001400353650001400367651001900381710003900400710003700439710004400476866001800520GMR-318AR-SsjUBGM20251028230844.0251021s1949 xxumr g 000 0 eng d bspacAR-SsjUBGMeaacr aeng axxu00aMining and Industrial News. aSan Francisco :bGold Mining Association of America :bMining Association of California :bCalifornia Hydraulic Mining Association,c1949- av.c29,5 cm aMensual1 aEn biblioteca años 1949. 4aIndustria 4aMinería 4aEstados Unidos2 aGold Mining Association of America2 aMining Association of California2 aCalifornia Hydraulic Mining Association 0a1949 17(1-12)