 The colliery became known as the Bradford Colliery Company , and by 1896 employed 404 underground and 125 surface workers producing house coal and coal for manufacturing from the Parker mine . The high price of coal at the end of the 19th century persuaded the newly created Fine Cotton Spinners and Doublers Association to mitigate the effects on its members by purchasing the colliery in 1900 , thus ensuring a cheap supply of fuel for their steam @-@ powered mills . 
