In 1939 one of the authors described advances in carbon-cyanidation for the period 1932 to 1939 and included: (1) the dissolution of gold in an
Table of ContentsLocation of ClaimsLaborMarkets Any mining engineer with a desire to operate independently, with some financial backing, and with no fear of heavy responsibility
Table of ContentsAnthraciteBituminousCoal-breaking Operations Anthracite Small power-driven, toothed, cast-iron rolls were used first to break anthracite in 1844. Prior to that time, men with hammers,
Table of ContentsScraper and SlideRiddell MuckerHydro-muckerBoskovich Mucker Hand mucking in shaft sinking operations is no longer necessary because several efficient methods and machines have been
Table of ContentsDegradation in Storage, Loading and ShipmentLoading PocketsLoading Pockets for Bituminous CoalLoading DevicesLoading ChutesLoading BoomsBox-car Loading The primary purpose of the loading plant is
Study of light adsorption, reaction rates, electrophoresis, particle packing, and corrosion is hindered by lack of a suitable method of preparing small amounts of closely
Table of ContentsMain Shaft Sunk by Steel-Shoe MethodAir Shaft Sunk by Drop-Shaft MethodConclusions In shaft sinking for coal mines, the cost item greatly influences the
Table of ContentsExperimental ProcedureCapillary Pressure And Pore Radii A knowledge of the magnitude of the irreducible interstitial water in a porous medium is so important
Table of ContentsCharacteristics of the SlimesTreatment of Slimes ComponentsSilver Refinery Practice The recent increase in anode copper production at the Noranda smelter placed an additional
Table of ContentsLaboratory Equipment and UseFuel Content of MixWater ContentSolid Additions to the MixEffect of Cooling Rate on Sinter Some of the variables encountered in
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