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Many towns and villages in southeast Ohio grew up around the mining of the Middle
Kittanning coal vein. Many of these are known as the "
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In the coal industry, the Lower
Kittanning is Coal number 5, and the Middle Kittanning is Coal number 6.
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region of Ohio. The Middle
Kittanning is at about surface level in the valleys of
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This article about a specific United States geological feature is a
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These were and are economically important coal seams in the
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331:Carboniferous System of North America
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