![Outline of North Dakota](nd.gif)
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Historical Coal Production
![Graph of Historical Coal Production, 1890-2000](nd_graph.gif)
Source: 1890-1978, U.S. Bureau of Mines file data, including State-level
statistics not published in Bureau of Mines Mineral Industry Yearbooks.
1979-present, Energy Information Administration, Annual Coal Report (2001)
and precedent reports (Coal Industry Annual, 1993-2000; and Coal Production
(year), 1979-1992).
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