Wyllie Colliery was located in the Sirhowy Valley, South Wales.
20th Century Pit
The coal mine was sunk by the Tredegar Iron and Coal Company and opened in 1926. The colliery was named after a director of the company, Alexander Wyllie. Wyllie village was built to house many of the miners working at the pit.
The colliery remained open for 42 years before closing in 1968.
References
Wyllie Colliery Wikipedia(Text) CC BY-SA