 In 1896 the Shakerley Collieries employed 442 underground workers and 87 surface workers in their pits.In 1933 the company employed 330 underground and 115 workers who produced 90,000 tons of coal annually from the Plodder, Cannel, Arley, Smith and Yard mines.Ramsden's Collieries joined Manchester Collieries in 1935.