Metal-mine Accidents in the United States During the Calendar Year 1931: 1932-1934 |
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42 United Alabama Appalachian barrels of 42 brown Bureau of Mines California calories causes cent charge clay coal dust commercial control account County crude Daily average deposits diluted with nine district drops per gram East coast electrification explosions fatality feet ferric oxide ferric oxide content fuel oil gas oil Georgia ground heat content hematite ignition Illinois increase Indiana injury rate inspector iron oxide Kansas Kentucky limestone limonite linseed oil Louisiana Louisiana and Arkansas Louisiana Gulf coast metal miles million man-hours mineral Missouri natural gasoline nonfatal injuries ocher oil and fuel Oklahoma operating oxide the color particles Pennsylvania percent pigments plants quarries Rate per million refineries rock Rocky Mountain sample short tons siennas sparks specific heat static electricity TABLE temperature Texas Gulf coast Thousands of barrels tinting strength underground United States gallons Utah Virginia weight of linseed yellow zinc oxide