Although the local coal mines were far from played out (approximately 80% of the coal in the Roslyn mines remains unextracted), the last mine in the area closed in 1963 as business became unprofitable.
Obwohl die örtlichen Kohlelager weit von der Auskohlung entfernt blieben (etwa 80 % der Kohlevorräte in Roslyn blieben ungefördert), schloss die letzte Mine 1963 wegen mangelnder Profitabilität.