 The company's coal output in 1871 was 25.825 tons and its highest output was in 1907 at 419.471 tons.In 1920 it was 267.848 tons.In about 1888 miners employed by the Tyldesley Coal Company exceeded the boundaries of the lease and extracted coal south of Well Street which was discovered when colliers of neighbouring Astley and Tyldesley Collieries broke through and found the coal gone.