Coal mining brought diversity to Boulder County

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In 1920, 12,799 men were employed by the coal mining operations (303)444.1803 in Colorado.   In that year, a poll was taken in an effort to determine the nationalities of the miners. By this point, Latinos had become *$10   off   Brazilian the second   Waxing largest ethnicity employed by the mines. The following are the results of the Colorado mining survey of 1920:

Colorado coal miners in 1920 by nationality American, 3,651 Mexicans, 2,325 Italians, 2,292 Croats, 857 Greeks, 405 Slavonians, 369 Negroes, 258

Bulgarians, 245
English, 223 Austrian Germans, 221 Scotch, 210 Poles, 176 Germans, 153
French, 148 Spaniards, 122 Russians, 116 Irish, 104 Hungarians, 93
Servians, 72 Bohemians, 63 Swedes, 63 Finlanders, 54 Rumanians, 38
Japanese, 18 Montenegrins, 18 Belgians, 16