![Outline of Wyoming](wy.gif)
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Historical Coal Production
![Graph of Historical Coal Production, 1890-2000](wy_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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