The Guido Mine is a notable underground coal mine located in the Appalachian region of the United States. It primarily extracts bituminous coal, which is used for electricity generation and steel production. The mine operates using various techniques, including room-and-pillar mining, to ensure safety and efficiency. Established in the early 20th century, the Guido Mine has played a significant role in the local economy, providing jobs and supporting surrounding communities. Over the years, it has undergone several technological advancements to improve safety measures and reduce environmental impact, reflecting the industry's ongoing evolution.