Adit

Abandoned adit near Pernek

An adit is a type of entrance to a mine which is horizontal or nearly horizontal. Adits are usually built into the side of a hill or mountain, and often occur when coal or ore is located inside the mountain but above the local valley floor or coastal plain. The use of adits is generally called drift mining.

Adit Media

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  Gated entrance of an abandoned adit near Medford, Oregon, United States

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  Queen Louise adit, Zabrze, Poland

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  Horse adit in the abandoned lead mine, Nenthead, County Durham, UK

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  A small, almost hidden adit entrance at Eylesbarrow mine, Dartmoor, Devon