There was about 600 shovelers and laborers of this general class in the yard of the Bethlehem Steel Company at this time. These men were scattered in their work over a yard which was, roughly, about two miles long and half a mile wide. ... [p. 71] [After three years of scientific management, the number of shovelers was reduced from 400-600 to 140, the average number of tons per day was increased from 16 to 59, and the average earnings per man per day was increased from $1.15 to $1.88.]
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Published before 1923