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Arizona Coal: Economic Development for the Hopi Tribe
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Angelica Astrakhantseva, St. Petersburg State University.
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Reintroduction of Native Fish Species to Coal Creek.
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A History of Coal Mining in Asturias
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Lecture 5 GEOS24705 History of Energy Use II. Early uses of mechanical work from animals, wind, water Grindstone, China from the encyclopedia “Tiangong.
