Show NEW publications LIST 7 DE CEMBER 1911 bulletins bulletin 6 coals available forthe for the manufacture of illuminating gas by A II 11 white and perry barker 1911 4 pis bulletin 16 the uses of peat for fuel and other purposes by charles A davis 1911 pp ap 1 pl pi bulletin 19 physical and chemical properties of the of the san sail joaquin valley california by I 1 C allen alien and W A jacobs with a chapter on oil analyses of natural gas from the southern california oil fields by G A burrell 1911 60 pp ap 2 pis reprints bulletin 21 the significance of drafts in steam boiler practice by IV T ray and henry kreisa kreisinger nger 62 pp ap reprint of united states geological survey bulletin copies will not be sent to persons who received bulletin 0 bulletin 26 notes on explosive mine gases and dusts by R T chamberlin 67 pp ap reprint of united states geological survey bulletin copies will not be sent to persons who received bulletin bulletin 30 Bri tests at the fuel testing plant norfolk va 1907 8 by C L wright 41 pp ap 9 pis reprint of united states geological survey bulletin copies will not be sent to persons who received bulletin the bureau of mines has copies of these publications for free distribution but can not give more than one copy of the same bulletin to one person requests for all papers can not be granted without satisfactory reason in asking for publications please order them by number and title ap should be addressed to the director of the bureau of mines washington D C |