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English: Average heat content of coal mined in the United States, 1950-2015 (Data from US EIA)
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Author Plazak

Graph of data from USEIA website: http://www.eia.gov/totalenergy/data/monthly/pdf/sec13_5.pdf Table A5, Approximate heat content of coal and coal coke

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16 April 2016

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Date/TimeThumbnailDimensionsUserComment
current 01:02, 19 April 2016 Thumbnail for version as of 01:02, 19 April 20162,100 × 1,400 (25 KB)PlazakCorrected label of Y axis to read: "millions of BTU/short ton". Old axis label read "BTU/short ton"
19:17, 16 April 2016 Thumbnail for version as of 19:17, 16 April 20161,950 × 1,425 (22 KB)PlazakUser created page with UploadWizard
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