Drift mining
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Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an undergrou
Coal miner standing in a drift portal at Fork Mountain, Tennessee, 1920.
Drift mine entry in West Virginia, 1908. Photo by Lewis Hine.
Adit
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An adit or stulm is a horizontal or nearly horizontal passage to an underground mine. Miners can use adits for access, drainage, ventilation, and extracting minerals at the lowest convenient level. Ad
Drift mining
…Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. A drift mine is an underground mine in which the entry or access is above water level and generally…
Gated entrance of an abandoned adit near Medford, Oregon, United States
Queen Louise adit, Zabrze, Poland
Horse adit in the abandoned lead mine, Nenthead, County Durham, UK
Two Brothers Adit, a small surviving mine entrance at the site of Eylesbarrow mine, Dartmoor, Devon