 Other (linked) industries included a brickworks (commonly using the other materials found alongside the coal) and a sandstone quarry.In 1856 the railway was improved and added to the steam engine mineral railway system, with the main pit then being the Crawford Colliery, which remained operational until 1931.Other pits closed by the 1920s included the Humbug, the Eliza, the Donald and the Cairncubie.