In 1894 its average output was about 190,000 tons per annum, and it was said to employ 1,000 men and boys.
Manufacturing Co. in 1872, it employed as many as 700 men and boys and manufactured over $1 million worth of products per year.
Boy Scouts, choir boys, and "employed boys" from Lawrence used the facilities for the remainder of the season.
By 1850, there some 220 smacks, employing some 1,370 men and boys.
In its heyday in the 1930s the colliery employed 4000 men and boys and at is closure on 26 November 1993 735 men.
Initially, the school employed one faculty member and educated a dozen boys.
During its peak period of output, it probably employed no more than 25 men, girls and boys.
By 1921 the pit employed 150 men and boys and produced 10,000 tins per annum.
The United Mine had a shaft entry and employed nearly 200 men and boys.
By 1861 Worthington employed 191 men and boys.
