Reports of the United States Commissioners to the Paris Universal Exposition, 1867, Volume 6U.S. Government Printing Office, 1870 |
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Common terms and phrases
annual production argentiferous assay association auriferous average Bessemer process bullion California carbon cast steel cent coal coin coinage Comstock lode containing copper cost creek crucible steel deposits district dollar employed England estimated Europe exhibited exported Exposition feet francs Fu.)-Silver furnace galena gold and silver gold production grains grams gray copper hammer heat inches increased industry ingots iron pyrites kilograms labor lead livret lode Lumpkin county manufacture Mexico miles mill miners Mining Company mountains nearly Nevada obtained ounces pennyweights pieces pig iron platinum poods pounds precious metals present production of gold profit PROVINCE puddled pyrites quantity quartz Quartz Mining quartzite reduced region rich river rocks rolled round numbers Silver Mining society specimens stamps statement statistics Steam sulphuret superintendent Sweden tion tons total production troy United United States mint veins Water weight workmen yield