In one month, this system caused the coal operators to fire more than 3,000 non-union men.
Patton was regarded as more moderate than most coal operators in his relationship to labor unions.
British coal operators and representatives of striking miners began their first direct talks, meeting in London.
This the great coal operators did not see.
He was a clerk in his father's store for several years and later became a coal operator and banker.
Beginning in 1870-1880, coal operators had established the company town system.
In response to the organizing efforts, coal operators used every means to block the union.
Numerous large homes were built in the town by wealthy coal operators.
He engaged in business as a coal operator, banker, and publisher.
Built by coal operators, towns sprung up along the tracks.