File:U.S. annual coal production, 2008-2018, and weekly steam coal spot prices in 2018 (46819606022).png
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U.S._annual_coal_production,_2008-2018,_and_weekly_steam_coal_spot_prices_in_2018_(46819606022).png (604 × 287 pixels, file size: 24 KB, MIME type: image/png)