... Fishing VI Forestry EXTRACTION OF MINERALS V2 Coal mines V3 Copper mines V4 Gold and silver mines V5 Iron mines V6 Lead and ... ammunition, and fireworks factories X4 Fertilizer factories X5 Gas works X6 Paint and varnish factories X7 Petroleum refineries X8 ... factories 22 Automobile factories 23 Automobile repair shops 24 Blast furnaces and steel rolling mills 25 Car and railroad shops 26anbsp;...
|Title||:||Alphabetical index of occupations|
|Author||:||United States. Bureau of the Census, Alba M. Edwards, Leon Edgar Truesdell|