page_title: Oakeley quarry
section_title: Locomotives
hierarchical_section_title: Oakeley quarry / Transportation / Locomotives
caption_attribution_description: Kerr Stuart Sirdar class locomotive Diana under repair at Alan Keef Ltd. 1999 Author: Dan Crow
context_page_description: Oakeley quarry is a slate quarry in the town of Blaenau Ffestiniog, north Wales. It was the largest underground slate mine in the world, and had 26 floors spanning a vertical height of nearly 1,500 feet.
context_section_description: Locomotives known to have worked at Oakeley quarry. All information from unless otherwise stated.
caption: Ex-Oakeley locomotive Diana under restoration at Alan Keef in 1999
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