| Home > Coal > The U.S. Coal Industry in the 1990's: Low Prices and Record Production > Figure 8-1 |
| Figure 8-1. Ratios of U.S. Coal Reserves to Annual Production in Underground and Surface Mines by Region, 1986, 1991, 1994, and 1997 |
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| Sources: Energy Information Administration, Coal Production 1986, DOE/EIA-0118(86)
(Washington, DC, January 1988), Table 58; Coal Production 1991,
DOE/EIA-0118(91) (Washington, DC, October 1992), Table 33; Coal Industry
Annual 1994, DOE/EIA-0584(94) (Washington, DC, October 1995), Table
17; Coal Industry Annual 1997, DOE/EIA-0584(97) (Washington, DC,
December 1998), Table 18. |